Operating Leases Lessee, Operating Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract] Adjustments to reconcile net income to net cash from operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Principal payments on debt Repayments of Long-Term Debt Stock repurchase program, remaining authorized repurchase amount Share Repurchase Program, Remaining Authorized, Amount Expected amortization Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] Tax expense at U.S. statutory rate Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Cover [Abstract] Cover [Abstract] Thereafter Lessee, Operating Lease, Liability, to be Paid, after Year Five Increase (decrease) in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Changes to remedial liabilities Accrual for Environmental Loss Contingencies [Roll Forward] Measurement Period Adjustments, Accounts payable Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Accounts Payable Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Accounts Payable Remaining capacity, beginning of period (cubic yards) Remaining capacity, end of period (cubic yards) Probable Airspace Remaining Highly Probable Airspace Schedule of Operating Lease Maturity Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Uncertain tax position interest and penalties Effective Income Tax Rate Reconciliation, Uncertain Tax Position Interest And Penalties, Amount Effective Income Tax Rate Reconciliation, Uncertain Tax Position Interest And Penalties, Amount Trading Symbol Trading Symbol Remedial liability assumed in acquisition of property, plant and equipment Remedial Liability Assumed In Acquisition Of Property, Plant And Equipment Remedial Liability Assumed In Acquisition Of Property, Plant And Equipment Debt Instrument, Redemption, Period [Axis] Debt Instrument, Redemption, Period [Axis] Non-NEOs Non-NEOs [Member] Total income tax benefit from stock-based compensation Share-Based Payment Arrangement, Expense, Tax Benefit Regulatory Liabilities [Line Items] Regulatory Liability [Line Items] Goodwill Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block] Account receivable, allowances aggregating Accounts Receivable, Allowance for Credit Loss, Current Disposal Group Name [Domain] Disposal Group Name [Domain] Thereafter Accrual for Environmental Loss Contingency, Undiscounted, to be Paid, after Year Five Debt Instrument, Redemption, Period [Domain] Debt Instrument, Redemption, Period [Domain] Accounts receivable and unbilled accounts receivable Increase (Decrease) in Accounts Receivable Earnings per Share ("EPS") Earnings Per Share, Policy [Policy Text Block] OPERATIONS Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Issuance of common stock for restricted share vesting, net of employee tax withholding (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures 2027 Anticipated Self-Insurance Payments Year Three Anticipated Self-Insurance Payments Year Three Land Land [Member] Award Timing Disclosures [Line Items] Environmental Property Sale, Disposal or Abandonment Costs Environmental Exit Cost [Abstract] Interest expense, net of interest income Interest Income (Expense), Operating Finance lease cost: Lease, Cost [Abstract] Right-of-use assets, finance leases Finance Lease, Right-of-Use Asset, before Accumulated Amortization Derivative, Fixed Interest Rate, Period [Domain] Derivative, Fixed Interest Rate, Period [Domain] Derivative, Fixed Interest Rate, Period [Domain] Current portion of lease liabilities: Lease, Liability, Current [Abstract] Lease, Liability, Current [Abstract] Number of proceedings Loss Contingency, Pending Claims, Number Baton Rouge, LA Baton Rouge La [Member] Baton Rouge La [Member] Tax credit carryforwards Deferred Tax Assets, Tax Credit Carryforwards Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis] SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis] Plan Name [Domain] Plan Name [Domain] HEPACO HEPACO [Member] HEPACO United States United States UNITED STATES Closure and post-closure liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Closure and Post-Closure Liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Closure and Post-Closure Liabilities Other long-term assets Other Assets, Noncurrent Leases [Abstract] Leases [Abstract] Environmental Loss Contingency, Current, Statement of Financial Position [Extensible Enumeration] Environmental Loss Contingency, Current, Statement of Financial Position [Extensible Enumeration] Finite-lived intangible assets, cost Finite-Lived Intangible Assets, Gross Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Undiscounted self-insurance liabilities Undiscounted Self-Insurance Liabilities Undiscounted Self-Insurance Liabilities Operating segments Operating Segments Operating Segments [Member] Net cash from operating activities Net Cash Provided by (Used in) Operating Activities Number of sites owned by third parties subject to proceedings under federal or state superfund laws Site Contingency, Number Of Sites Owned By Third Party The number of sites owned by third parties subject to proceedings under federal or state Superfund laws for which the company or the prior owners shipped wastes. Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Schedule of Reclassification of Accumulated Other Comprehensive Income (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Secured debt Secured Debt [Member] State net operating loss carryforwards, begin to expire in 2025 Deferred Tax Assets, Operating Loss Carryforwards, State and Local Accretion Asset Retirement Obligation, Accretion Expense Award Timing Method Award Timing Method [Text Block] Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Finance lease (in years) Finance Lease, Weighted Average Remaining Lease Term Insider Trading Policies and Procedures [Line Items] Proceeds from sale of business, net of transaction costs Proceeds from Divestiture of Businesses Use of Estimates Use of Estimates, Policy [Policy Text Block] Adjustment to Compensation, Amount Adjustment to Compensation Amount Additional paid-in capital Additional Paid in Capital, Common Stock Payables and Accruals [Abstract] Payables and Accruals [Abstract] Compensation Amount Outstanding Recovery Compensation Amount Disposal Group Classification [Axis] Disposal Group Classification [Axis] Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Unrealized gain (loss) on available-for-sale securities Other Comprehensive Income (Loss), Available-for-Sale Securities Adjustment, Net of Tax, Portion Attributable to Parent Entity Small Business Entity Small Business Company Selected Measure Amount Company Selected Measure Amount Variable rate, percentage Debt Instrument, Basis Spread on Variable Rate, Percentage of Increase (Decrease) Debt Instrument, Basis Spread on Variable Rate, Percentage of Increase (Decrease) Tabular List, Table Tabular List [Table Text Block] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Deductions from reserves, net of recoveries SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction Accrual for environmental loss contingencies Balance at the beginning of the period Balance at the end of the period Total remedial liabilities Total remedial liabilities Accrual for Environmental Loss Contingencies 2027 Anticipated Payment for Asset Retirement Obligations year Three Anticipated Payment for Asset Retirement Obligations year Three Accrued expenses and other current liabilities Total accrued expenses Accrued Liabilities, Current Antidilutive restricted stock awards (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Amount representing interest Finance Lease, Liability, Undiscounted Excess Amount Contingency Nature [Domain] Contingency Nature [Domain] An existing condition, situation, or a set of circumstances, which involve uncertainty as to the possible outcomes to an enterprise that will ultimately be resolved, when one or more future events occur or fail to occur. Resolution of the uncertainty may confirm the incurrence of a loss or profit or the incurrence of a liability. Changes in estimates recorded to consolidated statement of operations Asset Retirement Obligation, Changes Recorded In Statement Of Income The amount of change in the asset retirement obligation, during the current period, for changes in estimates recorded in the statement of income. Credit Facility [Domain] Credit Facility [Domain] Goodwill Goodwill, beginning of period Goodwill, end of period Goodwill Tax payments related to withholdings on vested restricted stock Payment, Tax Withholding, Share-Based Payment Arrangement Other comprehensive (loss) income, net of tax: Other Comprehensive Income (Loss), Net of Tax [Abstract] Stock repurchase program, authorized amount Share Repurchase Program, Authorized, Amount INVENTORIES AND SUPPLIES Inventory Disclosure [Text Block] Closure, post-closure and remedial liabilities Deferred Tax Assets, Closure Post-Closure and Remedial Liabilities Deferred Tax Assets, Closure Post-Closure and Remedial Liabilities Employee Stock Option Share-Based Payment Arrangement, Option [Member] Schedule of Expected Payments Related to Asset Retirement Obligations Schedule of Expected Payments Related to Asset Retirement Obligations [Table Text Block] Schedule of Expected Payments Related to Asset Retirement Obligations [Table Text Block] 2025 Lessee, Operating Lease, Liability, to be Paid, Year One Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Security, Excluded EPS Calculation [Table] Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Finance lease (as a percentage) Finance Lease, Weighted Average Discount Rate, Percent Payment on revolving credit facility Repayments of Lines of Credit 2025 Finance Lease, Liability, to be Paid, Year One Award Type [Axis] Award Type [Axis] Net deferred tax liabilities Deferred Tax Liabilities, Net Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block] Foreign currency translation Goodwill, Foreign Currency Translation Gain (Loss) Permits Permits [Member] The description that pertains to the permits. ICFR Auditor Attestation Flag ICFR Auditor Attestation Flag Number of reporting units Number of Reporting Units Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Weighted average useful life of acquired intangible assets (in years) Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life Foreign Currency Foreign Currency Transactions and Translations Policy [Policy Text Block] Revolving credit facility Revolving Credit Facility [Member] June 30, 2022 Disposition June 30, 2022 Disposition [Member] June 30, 2022 Disposition Expiration Date Trading Arrangement Expiration Date Cash flows used in investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Reclassification out of Accumulated Other Comprehensive Income [Table] Reclassification out of Accumulated Other Comprehensive Income [Table] Canadian Rate Canadian Rate [Member] Canadian Rate Other assets: Other Assets [Abstract] Idled incinerator Idled Incinerator [Member] Idled Incinerator [Member] Current portion of operating lease liabilities Operating Lease, Liability, Current Total Shareholder Return Amount Total Shareholder Return Amount Income Tax Expense (Benefit), Continuing Operations, Income Tax Reconciliation [Abstract] Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract] Federal net operating losses Deferred Tax Assets, Valuation Allowance, Acquired Federal Net Operating Losses Deferred Tax Assets, Valuation Allowance, Acquired Federal Net Operating Losses Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Site Contingency [Line Items] Site Contingency [Line Items] New asset retirement obligations Asset Retirement Obligation, Liabilities Incurred Net operating loss carryforwards Deferred Tax Assets, Operating Loss Carryforwards Equipment Equipment [Member] Product Liability Cases Product Liability Cases [Member] Product Liability Cases Safety-Kleen Environmental Services Safetly-Kleen Environmental Services [Member] Safetly-Kleen Environmental Services [Member] Debt Instrument [Line Items] Financing arrangements Debt Instrument [Line Items] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Weighted Average Discount Rate Weighted Average Discount Rate, Lessee [Abstract] Weighted Average Discount Rate, Lessee [Abstract] Reasonably possible additional liabilities Environmental Exit Costs, Reasonably Possible Additional Loss Less - accumulated depreciation and amortization Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, Accumulated Depreciation and Amortization Shares used to compute earnings per share — Diluted (in shares) Weighted-average shares outstanding, diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Consideration held in escrow Disposal Group, Including Discontinued Operation, Consideration, Held In Escrow Disposal Group, Including Discontinued Operation, Consideration, Held In Escrow AOCI Attributable to Parent, Net of Tax [Roll Forward] AOCI Attributable to Parent, Net of Tax [Roll Forward] Long-Lived Assets, by Name [Domain] Long-Lived Assets, by Name [Domain] Long-Lived Assets, by Name [Domain] Total stockholders' equity Beginning balance Ending balance Equity, Attributable to Parent Percent of property, plant and equipment, net Property Plant And Equipment Net Percent Property Plant And Equipment Net Percent Total deferred tax assets Deferred Tax Assets, Gross Proceeds from issuance of debt, net of discount Proceeds from Issuance of Debt Litigation Case [Axis] Litigation Case [Axis] Ryley Ryley [Member] Ryley [Member] Total Segment Revenues Total Reportable Segments Reportable Segments [Member] Reportable Segments Schedule of Changes to Goodwill Schedule of Goodwill [Table Text Block] Letters of credit outstanding, amount Letters of Credit Outstanding, Amount Selling, general and administrative expenses Selling, General and Administrative Expense Schedule of Closure and Post-Closure Liabilities Schedule of Change in Asset Retirement Obligation [Table Text Block] Containers and railcars Railroad Transportation Equipment [Member] Product revenues Product [Member] Number of shares authorized (in shares) Shares originally authorized for issuance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized Document Fiscal Period Focus Document Fiscal Period Focus All Executive Categories All Executive Categories [Member] Dilutive impact of equity awards (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Unrealized (Loss) Gain on Available-For-Sale Securities AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member] 2026 Finite-Lived Intangible Asset, Expected Amortization, Year Two Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] ASSETS Assets [Abstract] Foreign net operating loss carryforwards Deferred Tax Assets, Valuation Allowance, Foreign Net Operating Loss Carryforwards Deferred Tax Assets, Valuation Allowance, Foreign Net Operating Loss Carryforwards Document Type Document Type Effective interest rate (as a percent) Debt Instrument, Interest Rate, Effective Percentage Derivative Contract [Domain] Derivative Contract [Domain] Buttonwillow Buttonwillow [Member] Buttonwillow [Member] 2025 Anticipated Self-Insurance Payments Year One Anticipated Self-Insurance Payments Year One Debt Instrument, Redemption, Period Three Debt Instrument, Redemption, Period Three [Member] Schedule of Segment Reporting Information, by Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Sawyer Sawyer [Member] Sawyer [Member] Environmental Exit Cost by Property [Axis] Environmental Exit Cost by Property [Axis] Schedule of Contract Balances Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Schedule of Expected Amortization for the Net Carrying Amount of Finite Lived Intangible Assets Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Inventory, Current [Table] Inventory, Current [Table] Maximum Maximum [Member] Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Finite-lived intangible assets, net Finite-Lived Intangible Assets, Net Furniture and fixtures Furniture and Fixtures [Member] Antidilutive Securities Excluded from Computation of Earnings Per Share, by Antidilutive Securities [Axis] Antidilutive Securities [Axis] Accounts payable Accounts Payable, Current Total lease cost Lease, Cost ESPP discount percentage from fair market value Share-Based Compensation Arrangement by Share-Based Payment Award, Discount from Market Price, Purchase Date Statistical Measurement [Axis] Statistical Measurement [Axis] Undiscounted closure and post-closure liabilities Undiscounted Closure and Post-Closure Liabilities Undiscounted Closure and Post-Closure Liabilities Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Income before provision for income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest 2028 Anticipated Self-Insurance Payments Year Four Anticipated Self-Insurance Payments Year Four Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Property, plant and equipment Deferred Tax Liabilities, Property, Plant and Equipment Name Outstanding Recovery, Individual Name Debt, floor interest rate Debt Instrument, Floor Interest Rate Debt Instrument, Floor Interest Rate Schedule of Valuation Allowance Summary of Valuation Allowance [Table Text Block] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Variable lease cost Variable Lease, Cost Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Total purchase price Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net Remedial liabilities at acquisition, risk-free interest rate (as a percent) Remedial Liabilities Discounted Risk Free Interest Rate Remedial Liabilities Discounted Risk Free Interest Rate Award Timing Predetermined Award Timing Predetermined [Flag] Redemption percentage of principal amount Debt Instrument, Redemption Price, Percentage Customer and supplier relationships Customer Relationships [Member] Diluted (in dollars per share) Diluted earnings per share (in dollars per share) Earnings Per Share, Diluted Remedial liabilities, less current portion of $10,321 and $13,358, respectively Accrued Environmental Loss Contingencies, Noncurrent Revenue Recognition Revenue from Contract with Customer [Policy Text Block] Domestic Income (Loss) from Continuing Operations before Income Taxes, Domestic Schedule of Performance Stock Awards Schedule of Nonvested Performance-Based Units Activity [Table Text Block] Current income taxes Current Income Tax Expense (Benefit) Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Debt instrument, redemption price, percentage of principal amount redeemed Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed Period for measurement of average liquidity (in days) Debt Instrument, Spread on Variable Rate, Period for Measurement of Average Liquidity Debt Instrument, Spread on Variable Rate, Period for Measurement of Average Liquidity Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Certain Interest Rate Swaps Certain Interest Rate Swaps [Member] Certain Interest Rate Swaps Self-Insurance Liabilities Self Insurance Reserve [Policy Text Block] Fair value of share-based payment awards Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Proceeds from sale and disposal of fixed assets Proceeds from Sale of Property, Plant, and Equipment Inventories and supplies Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory Changes in highly probable airspace, net (cubic yards) Changes In Highly Probable Airspace Changes In Highly Probable Airspace Provision for income taxes Provision for income taxes Income Tax Expense (Benefit) Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest [Abstract] Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest [Abstract] Derivative notional amount Derivative, Notional Amount Derivative asset Derivative Asset Currency translation and other Accrual for Environmental Loss Contingencies, Increase (Decrease) for Currency Translation and Other The increase or decrease in the accrual for environmental loss contingencies, during the reporting period that is related to currency translations and other adjustments. Period for recognition (in years) Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Total revenues Direct Revenues Revenue from Contract with Customer, Excluding Assessed Tax Additions to intangible assets including costs to obtain or renew permits Payments to Acquire Intangible Assets Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Total cash equivalents Cash Equivalents, at Carrying Value Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Business Acquisition [Line Items] Business Acquisition [Line Items] All Adjustments to Compensation All Adjustments to Compensation [Member] Accrued compensation and benefits Employee-related Liabilities, Current Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Legal Entity [Axis] Legal Entity [Axis] Interest expense, net of interest income of $19,437, $11,930 and $4,607, respectively Interest Income (Expense), Nonoperating All other incinerators, landfills, wastewater treatment facilities and service centers (83 facilities, including 24 acquired by the Company through acquisitions in 2024) All Other Incinerators Landfills Wastwater Threatment Facilities And Service Centers [Member] All Other Incinerators Landfills Wastwater Threatment Facilities And Service Centers [Member] Measurement Period Adjustments, Accounts receivable Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Accounts Receivable Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Accounts Receivable Changes in estimates recorded to consolidated balance sheet Asset Retirement Obligation, Changes Recorded In Balance Sheet Represents the amount of change in the asset retirement obligation, during the current period for other changes in estimates recorded in the balance sheet. Disposal Group, Disposed of by Sale, Not Discontinued Operations Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] Environmental Remediation Obligations [Abstract] Environmental Remediation Obligations [Abstract] Changes in estimates recorded to consolidated statement of operations Remedial liabilities Accrual for Environmental Loss Contingencies, Revision in Estimates Issuance of common stock for restricted share vesting, net of employee tax withholdings Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Unrealized (Loss) Gain on Fair Value of Interest Rate Hedges Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Entity Address, State or Province Entity Address, State or Province Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Inventory [Domain] Inventory [Domain] Proceeds from disposition of business Disposal Group, Including Discontinued Operation, Consideration Financial Instruments [Domain] Financial Instruments [Domain] Accrual for environmental loss contingencies Accrual for Environmental Loss Contingencies, Threshold For Disclosure Accrual for Environmental Loss Contingencies, Threshold For Disclosure Beginning balance (in shares) Ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities and Equity [Abstract] Existing Term Loans Existing Term Loans [Member] Existing Term Loans Restatement Determination Date Restatement Determination Date Provision for doubtful accounts Deferred Tax Asset, Tax Deferred Expense, Reserve and Accrual, Accounts Receivable, Allowance for Credit Loss Remedial Liabilities for Landfill Sites Remedial Liabilities for Landfill Sites [Member] This element represents the details that pertain to the remedial liability for landfill sites. Depreciation expense, inclusive of landfill and finance lease amortization Depreciation Inclusive of Amortization Depreciation Inclusive of Amortization Additions charged to earnings SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Deferred contract cost, recognition period Deferred Contract Cost, Recognition Period Deferred Contract Cost, Recognition Period Term SOFR Adjustment Term SOFR Adjustment [Member] Term SOFR Adjustment Schedule of Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] From July 1, 2023 through September 30, 2027 Derivative, Fixed Interest Rate, Period Two [Member] Derivative, Fixed Interest Rate, Period Two Audit Information [Abstract] Audit Information [Abstract] Operating lease right-of-use assets Operating Lease, Right-of-Use Asset Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Colorado COLORADO Measurement Period Adjustments, Total purchase price Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Consideration Transferred Other long-term liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other Deductible per occurrence for vehicle liability Deductible Per Occurrence For Vehicle Liability Deductible Per Occurrence For Vehicle Liability Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Abstract] Schedule of Changes to Remedial Liabilities Schedule of Environmental Loss Contingencies by Site [Table Text Block] Environmental expenditures Accrual for Environmental Loss Contingencies, Payments California CALIFORNIA EARNINGS PER SHARE Earnings Per Share [Text Block] Supplies Supplies [Member] Employee stock purchase plan Stock Issued During Period, Value, Employee Stock Purchase Plan Thompson Industrial Thompson Industrial [Member] Thompson Industrial Inventory [Axis] Inventory [Axis] Unrealized gain on fair value of interest rate hedges Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax Granted (in dollars per share) Granted (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Income Taxes Income Tax, Policy [Policy Text Block] Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Segment [Domain] Segments [Domain] Schedule of Finance Lease Maturity Finance Lease, Liability, to be Paid, Maturity [Table Text Block] Reconciliation to Consolidated Statements of Operations: Reconciliation of Net Income to Adjusted EBITDA [Abstract] -- None. No documentation exists for this element. -- Superfund sites (12 sites) Superfund Landfill Sites [Member] Superfund Landfill Sites Borrowing from revolving credit facility Proceeds from Lines of Credit Revenue Allowance SEC Schedule, 12-09, Allowance, Revenue [Member] SEC Schedule, 12-09, Allowance, Revenue [Member] PEO PEO [Member] CLOSURE AND POST-CLOSURE LIABILITIES Asset Retirement Obligation Disclosure [Text Block] Name Trading Arrangement, Individual Name Weighted Average Remaining Lease Term (years) Weighted Average Remaining Lease Term, Lessee [Abstract] Weighted Average Remaining Lease Term, Lessee [Abstract] Property, Plant and Equipment by Type [Axis] Long-Lived Tangible Asset [Axis] Long-Lived Tangible Asset [Axis] Entity Public Float Entity Public Float Disposal Group Name [Axis] Disposal Group Name [Axis] Kimball Kimball [Member] Kimball [Member] Schedule of Remaining Highly Probable Airspace Remaining Highly Probable Airspace [Table Text Block] Remaining Highly Probable Airspace [Table Text Block] 2022 Swaps 2022 Swaps [Member] 2022 Swaps 2026 Anticipated Payment for Asset Retirement Obligations year Two Anticipated Payment for Asset Retirement Obligations year Two Commitment fee per annum of the unused commitment Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Non-landfill closure and post-closure liabilities, period (in years) Non Landfill Closure And Post Closure Term In Years Non Landfill Closure And Post Closure Term In Years Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Change in uncashed checks Increase (Decrease) in Outstanding Checks, Financing Activities Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Local Phone Number Local Phone Number Total permits and other intangible assets, cost Intangible Assets, Gross (Excluding Goodwill) Less valuation allowance Total valuation allowance Deferred Tax Assets, Valuation Allowance Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Schedule of Reconciliation of Third Party Revenues to Direct Revenues Reconciliation of Revenue from Segments to Consolidated [Table Text Block] Expiration of tax credits Tax Credits Carryforward, Expiration, Amount Tax Credits Carryforward, Expiration, Amount Remedial liabilities, current portion Accrued Environmental Loss Contingencies, Current Changes in assets and liabilities, net of acquisitions: Increase (Decrease) in Operating Capital [Abstract] Secured Overnight Financing Rate (SOFR) Secured Overnight Financing Rate (SOFR) [Member] Number of facility by type Number of Facilities Number of Facilities 2027 Accrual for Environmental Loss Contingency, Undiscounted, to be Paid, Year Three PEO Total Compensation Amount PEO Total Compensation Amount ESPP purchase price of common stock, percent of closing price Share-Based Compensation Arrangement by Share-Based Payment Award, Purchase Price of Common Stock, Percent Property, Plant and Equipment, Type [Domain] Long-Lived Tangible Asset [Domain] Long-Lived Tangible Asset [Domain] Accrued interest Interest Payable, Current Schedule of Long-lived Assets by Geographic Areas Long-Lived Assets by Geographic Areas [Table Text Block] Deer Trail Deer Trail [Member] Deer Trail [Member] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Common Stock Common Stock [Member] Remedial Liabilities for Superfund Site Remedial Liabilities for Superfund Site [Member] Remedial Liabilities for Superfund Site Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Debt Instrument, Redemption, Period One Debt Instrument, Redemption, Period One [Member] Permitted Remaining Highly Probable Airspace (cubic yards) Remaining Highly Probable Airspace Remaining Highly Probable Airspace in cubic yards Line of credit Line of Credit [Member] Environmental Remediation Site [Axis] Environmental Remediation Site [Axis] Segment Reporting [Abstract] Segment Reporting [Abstract] REMEDIAL LIABILITIES Environmental Loss Contingency Disclosure [Text Block] Permits and Other Intangibles Goodwill and Intangible Assets, Intangible Assets, Policy [Policy Text Block] Entity Central Index Key Entity Central Index Key Schedule of Inventories Schedule of Inventory, Current [Table Text Block] ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block] Foreign Currency Translation Adjustments Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Discontinued Operations and Disposal Groups [Abstract] Discontinued Operations and Disposal Groups [Abstract] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Total Cash Equivalents and Marketable Securities, Current Cash Equivalents and Marketable Securities, Current Third party sites requiring expenditure on remediation Site Contingency, Environmental Remediation Expense Number Of Sites Owned By Third Party The number of sites for which environmental remediation expense is incurred subject to proceedings under federal or state superfund laws owned by third party. STOCKHOLDERS' EQUITY Equity [Text Block] Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Financial Instrument [Axis] Financial Instrument [Axis] SEGMENT REPORTING Segment Reporting Disclosure [Text Block] Current portion of long-term debt Long-Term Debt, Current Maturities Closure and post-closure liabilities, current portion Accrued Capping, Closure, Post-closure and Environmental Costs Stock-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Restricted Stock Restricted Stock [Member] Title Trading Arrangement, Individual Title Unsecured debt Unsecured Debt [Member] Schedule of Income before Income Tax, Domestic and Foreign Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] City Area Code City Area Code Current liabilities: Liabilities, Current [Abstract] Auditor Location Auditor Location Accrued expenses Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities Total self-insurance liabilities (included in accrued expenses and other current liabilities) Self Insurance Reserve Foreign tax credits Deferred Tax Assets, Valuation Allowance, Foreign Tax Credits Deferred Tax Assets, Valuation Allowance, Foreign Tax Credits Disposal Group Classification [Domain] Disposal Group Classification [Domain] Thereafter Anticipated Payment for Asset Retirement Obligations, After Year Five Anticipated Payment for Asset Retirement Obligations, After Year Five Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Other Other Inventories [Member] Other Inventories Revolving credit facility, available borrowing capacity Line of Credit Facility, Remaining Borrowing Capacity Repurchases of common stock Payments for Repurchase of Common Stock Number of sites subject to proceedings under federal or state superfund laws Site Contingency, Number Of Sites The number of sites that are subject to proceedings under federal or state superfund laws brought against the company or against third parties for which the company may have certain indemnification obligations. Defined Contribution Plan Pension and Other Postretirement Plans, Policy [Policy Text Block] Long-term debt, less current portion Long-term debt, at carrying value Long-Term Debt, Excluding Current Maturities Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Table] SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Table] Weighted Average Grant-Date Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Earnings per share: Earnings Per Share [Abstract] Equity [Abstract] Equity [Abstract] Retained earnings Retained Earnings (Accumulated Deficit) Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Schedule of Reclassification out of Accumulated Other Comprehensive Income Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] Environmental Loss Contingency, Statement of Financial Position [Extensible Enumeration] Environmental Loss Contingency, Statement of Financial Position [Extensible Enumeration] Repurchases of common stock (in shares) Repurchase of common stock (in shares) Stock Repurchased and Retired During Period, Shares CLOSURE AND POST-CLOSURE LIABILITIES Closure and Post Closure Liabilities [Line Items] -- None. No documentation exists for this element. -- Asset retirement costs (non-landfill) Asset Retirement Obligation Costs [Member] Inventories and supplies Increase (Decrease) in Inventories Deductible medical insurance policy Deductible Health Insurance Policy Deductible Health Insurance Policy Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Equity Awards Adjustments Equity Awards Adjustments [Member] Decrease of interest rate margin Debt Instrument, Basis Spread on Variable Rate, Increase (Decrease) Debt Instrument, Basis Spread on Variable Rate, Increase (Decrease) Total lease liabilities Operating Lease, Liability Underlying Securities Award Underlying Securities Amount 2029 Finance Lease, Liability, to be Paid, Year Five Amendment Flag Amendment Flag Accounts receivable, including unbilled receivables Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Measurement Period Adjustments, Accrued expenses and other current liabilities Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Accrued Expenses And Other Current Liabilities Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Accrued Expenses And Other Current Liabilities Amortization of ROU assets Finance Lease, Right-of-Use Asset, Amortization Vehicles Vehicles [Member] FINANCING ARRANGEMENTS Debt Disclosure [Text Block] Schedule of Indefinite-Lived Intangible Assets Schedule of Indefinite-Lived Intangible Assets [Table Text Block] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Aggregate principal amount Debt Instrument, Face Amount Entity Address, Postal Zip Code Entity Address, Postal Zip Code Advertising expense Advertising Expense Interest rate swap Interest Rate Swap [Member] Accretion Accrual for Environmental Loss Contingencies, Charges to Expense for New Losses December 9, 2022 Acquisition December 9, 2022 Acquisition [Member] December 9, 2022 Acquisition Debt, interest margin Debt Instrument, Interest Margin Debt Instrument, Interest Margin Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Leasehold and building improvements Land, Buildings and Improvements [Member] Auditor Name Auditor Name Forfeited (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Schedule of Activity in Revenue Allowance Contract with Customer, Asset, Allowance for Credit Loss [Table Text Block] Current: Current Income Tax Expense (Benefit), Continuing Operations [Abstract] Loss on early extinguishment of debt Loss on early extinguishment of debt Gain (Loss) on Extinguishment of Debt Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Accrual for Environmental Loss Contingencies, Net [Abstract] Accrual for Environmental Loss Contingencies, Gross, Fiscal Year Maturity [Abstract] Weighted average remaining useful life (in years) Property, Plant and Equipment, Useful Life Employee Stock Employee Stock [Member] Accounts payable Increase (Decrease) in Accounts Payable Proceeds from employee stock purchase plan Proceeds from Stock Plans Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Liabilities assumed in acquisitions Asset Retirement Obligation, Liabilities Assumed in Acquisition Asset Retirement Obligation, Liabilities Assumed in Acquisition Property, plant and equipment, net Total property, plant and equipment, net Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization Remedial Liabilities (Including Superfund) for Non-Landfill Operations Remedial Liabilities (Including Superfund) for Non-Landfill Operations [Member] This element represents the details that pertain to the remedial liabilities for non-landfill sites. Payments on finance leases Financing cash flows from finance leases Finance Lease, Principal Payments Amortization Amortization Ontario, Canada ONTARIO Landfill assets Landfill [Member] Net income, basic Net Income (Loss) Available to Common Stockholders, Basic Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Total assets Assets Assets Debt Instrument, Redemption [Line Items] Debt Instrument, Redemption [Line Items] Schedule of Active Landfill Sites Schedule of Property, Plant and Equipment, Landfill Assets [Table Text Block] Schedule of Property, Plant and Equipment, Landfill Assets [Table Text Block] Total cost of revenues Cost of Revenues Cost of Goods and Services Sold Advertising Expense Advertising Cost [Policy Text Block] Additions to property, plant and equipment Payments to Acquire Property, Plant, and Equipment Other long-term liabilities Other Liabilities, Noncurrent Safety-Kleen Sustainability Solutions Safety-Kleen Sustainability Solutions Safety-Kleen Sustainability Solutions Safety-Kleen Sustainability Solutions Segment [Member] Safety-Kleen Sustainability Solutions Segment Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Remedial Liabilities Regulatory Environmental Costs, Policy [Policy Text Block] Commitments and contingent liabilities (See Note 18) Commitments and Contingencies Stock-based Compensation Share-Based Payment Arrangement [Policy Text Block] Schedule of Effective Income Tax Rate Reconciliation Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Unsecured senior notes, at 4.875%, due July 15, 2027 ("2027 Notes") 2027 Notes Senior Unsecured Notes due 2027 [Member] Senior Unsecured Notes due 2027 [Member] Termination Date Trading Arrangement Termination Date Number of revenue sources Number Of Revenue Sources Number Of Revenue Sources 2026 Lessee, Operating Lease, Liability, to be Paid, Year Two Accrued insurance Accrued Insurance, Current Grassy Mountain Grassy Mountain [Member] Grassy Mountain [Member] Total Reportable Segment Adjusted EBITDA Total Reportable Segment Adjusted EBITDA Income (Loss) from Continuing Operations before Interest, Tax, Depreciation and Amortization, Net This element represents the income or loss from continuing operations before interest, taxes, depreciation and amortization to the economic entity. Notices received from owners of third party sites seeking indemnification from the company Site Contingency, Notice Received Number of Sites Owned by Third Party The number of notices received from owners of third party sites related to the CSD assets seeking indemnification from the company. Schedule of Recognized Identified Assets Acquired and Liabilities Assumed Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Debt Instrument [Axis] Debt Instrument [Axis] Deductible per occurrence for general liability Deductible Per Occurrence For General Liability Deductible Per Occurrence For General Liability Net income Net income Net income Net Income (Loss) Attributable to Parent Trading Arrangement: Trading Arrangement [Axis] % of Total Accrual for Environmental Loss Contingencies, Percent of Total Accrual for Environmental Loss Contingencies, Percent of Total Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Schedule of Self-Insurance Liabilities Anticipated Payments Self-Insurance Liabilities Anticipated Payments [Table Text Block] Self-Insurance Liabilities Anticipated Payments [Table Text Block] Unsecured senior notes, at 5.125%, due July 15, 2029 ("2029 Notes") 2029 Notes Senior Unsecured Notes due 2029 [Member] Senior Unsecured Notes due 2029 [Member] Numerator for basic and diluted earnings per share: Numerator for Basic and Diluted Earnings Per Share [Abstract] -- None. No documentation exists for this element. -- 2018 Swaps 2018 Swaps [Member] 2018 Swaps Bridgeport, NJ Bridgeport NJ [Member] Bridgeport NJ [Member] Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Entity File Number Entity File Number Long-Lived Assets, by Name [Axis] Long-Lived Assets, by Name [Axis] Long-Lived Assets, by Name [Axis] Income Statement [Abstract] Income Statement [Abstract] Entity Address, Address Line One Entity Address, Address Line One Other comprehensive (loss) income before reclassifications OCI, before Reclassifications, before Tax, Attributable to Parent Components of Income Tax Expense (Benefit), Continuing Operations [Abstract] Components of Income Tax Expense (Benefit), Continuing Operations [Abstract] Federal Current Federal Tax Expense (Benefit) Effect of exchange rate change on cash Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Continuing Operations Lessee term Lessee, Operating Lease, Term of Contract Name Forgone Recovery, Individual Name Operating lease (in years) Operating Lease, Weighted Average Remaining Lease Term Term CORRA Adjustment 2 Term CORRA Adjustment 2 [Member] Term CORRA Adjustment 2 Denominator: Denominator for Basic and Diluted Earnings Per Share [Abstract] -- None. No documentation exists for this element. -- Other expense (income), net Other Noncash Income (Expense) Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Deferred tax liabilities: Components of Deferred Tax Liabilities [Abstract] Inventory Disclosure [Abstract] Inventory Disclosure [Abstract] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Nebraska NEBRASKA North Dakota NORTH DAKOTA PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Remedial liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Remedial Liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Remedial Liabilities Schedule of Marketable Securities Marketable Securities [Table Text Block] Adjustment to Compensation: Adjustment to Compensation [Axis] Unbilled accounts receivable Contract assets (unbilled receivables) Unbilled Accounts Receivable, Current The aggregate amount of unbilled receivables due for services rendered or to be rendered at the financial statement date, which are usually due within one year (or one business cycle). Litigation Case [Domain] Litigation Case [Domain] Pension adjustments Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax and Reclassification Adjustment, Attributable to Parent Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Site Contingency [Table] Site Contingency [Table] Oklahoma OKLAHOMA Shares used to compute earnings per share — Basic (in shares) Weighted-average shares outstanding basic (in shares) Weighted Average Number of Shares Outstanding, Basic Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Long-term portion of lease liabilities: Lease, Liability, Noncurrent [Abstract] Lease, Liability, Noncurrent [Abstract] Term CORRA Adjustment 1 Term CORRA Adjustment 1 [Member] Term CORRA Adjustment 1 Marketable Securities [Line Items] Marketable Securities [Line Items] Amortization of deferred financing costs and debt discount Amortization of Debt Issuance Costs and Discounts Property, plant and equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Components of Deferred Tax Assets and Liabilities [Abstract] Components of Deferred Tax Assets and Liabilities [Abstract] Permitted Permitted [Member] Permitted [Member] Name Awards Close in Time to MNPI Disclosures, Individual Name Construction in progress Construction in Progress [Member] Number of businesses acquired Number of Businesses Acquired Entity Filer Category Entity Filer Category Cost of revenues: (exclusive of items shown separately below) Cost of Revenue [Abstract] Loss Contingencies [Line Items] Loss Contingencies [Line Items] Increase from current period acquisitions Goodwill, Acquired During Period Unsecured senior notes, at 6.375%, due February 1, 2031 ("2031 Notes") 2031 Notes Senior Unsecured Notes due 2031 [Member] Senior Unsecured Notes due 2031 Statistical Measurement [Domain] Statistical Measurement [Domain] Schedule of Lease Expense and Other Information Lease, Cost [Table Text Block] U.S. Borrower U.S. Borrower [Member] U.S. Borrower Lambton Lambton [Member] Lambton [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] All Trading Arrangements All Trading Arrangements [Member] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Schedule of Reconciliation of Basic and Diluted Earnings Per Share Computations Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Award vesting period (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Cash payments for interest and income taxes: Cash Payments for Interest and Income Taxes [Abstract] Description and amounts of long lived assets and liabilities held for sale. Disclosure may include the description of the facts and circumstances leading to the expected disposal, manner and timing of disposal, the carrying value of the assets and liabilities held for sale, the gain or loss recognized in the income statement and the income statement caption that includes that gain or loss. Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] Income taxes paid, net of refunds Income Taxes Paid, Net Non-landfill closure and post-closure liabilities Non-landfill Closure and Post-Closure Liabilities Non-landfill Closure and Post-Closure Liabilities Measurement Period Adjustments, Goodwill Measurement period adjustments from prior period acquisition Goodwill, Measurement Period Adjustment 2026 Accrual for Environmental Loss Contingency, Undiscounted, to be Paid, Year Two Pay vs Performance Disclosure [Line Items] Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Total Intangible Assets, Net (Including Goodwill) Deferred Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] Retention for environmental impairment Retention for Environmental Impairment Retention for Environmental Impairment Measurement Period Adjustments, Total identifiable net assets Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Assets Acquired and Liabilities Assumed, Net Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Assets Acquired and Liabilities Assumed, Net Other Performance Measure, Amount Other Performance Measure, Amount Less: Discount at risk free rates Accrual for Environmental Loss Contingencies, Discount 2027 Finite-Lived Intangible Asset, Expected Amortization, Year Three Goodwill [Line Items] Goodwill [Line Items] LEASES Lessee, Operating Leases [Text Block] Common stock, outstanding shares (in shares) Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Outstanding Linden, NJ Linden, New Jersey [Member] Linden, New Jersey [Member] Documents Incorporated by Reference Documents Incorporated by Reference [Text Block] Operating lease cost Operating Lease, Cost Schedule of Reconciliation to Consolidated Statements of Income to Adjusted EBITDA Schedule of Reconciliation of Net Income to Adjusted Earnings before Interest Tax Depreciation and Amortization Consolidated [Table Text Block] This element may be used to capture the complete disclosure of the identification, description, and amounts of all significant reconciling items used in the reconciliation of net income to adjusted earnings before interest, tax, depreciation and amortization of continuing operations. Operating lease liabilities, less current portion Operating Lease, Liability, Noncurrent Canadian Subsidiaries Canadian Subsidiaries [Member] Canadian Subsidiaries [Member] Schedule of Regulatory Liabilities [Table] Regulated Operation, Regulatory Liability [Table] Interest on lease liabilities Finance Lease, Interest Expense Deferred revenue Contract liabilities (deferred revenue) Contract with Customer, Liability, Current Entity Tax Identification Number Entity Tax Identification Number Schedule of Finite-Lived Intangible Assets by Major Class [Table] Intangible Asset, Finite-Lived [Table] Schedule of Long-term Debt Schedule of Long-Term Debt Instruments [Table Text Block] Changes to post-closure liabilities Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] Foreign Deferred Foreign Income Tax Expense (Benefit) ROU assets: ROU Assets [Abstract] ROU Assets [Abstract] Number of sites owned by the entity subject to proceedings under federal or state superfund laws Site Contingency, Number Of Sites Owned By Entity The number of sites that are subject to proceedings under federal or state superfund laws that are owned by the entity. Debt Instrument, Redemption, Period Two Debt Instrument, Redemption, Period Two [Member] Secured senior term loans due October 8, 2028 Term Loans Term Loans [Member] Term Loans Through June 30, 2023 Derivative, Fixed Interest Rate, Period One [Member] Derivative, Fixed Interest Rate, Period One Accrued income, real estate, sales and other taxes Taxes Payable, Current Intersegment revenues (expense), net Intersegment Eliminations [Member] Plan Name [Axis] Plan Name [Axis] Thereafter Finance Lease, Liability, to be Paid, after Year Five Equity Components [Axis] Equity Components [Axis] Total future lease payments Finance Lease, Liability, to be Paid Closure and post-closure liabilities, less current portion of $10,304 and $13,556, respectively Accrued Capping, Closure, Post-closure and Environmental Costs, Noncurrent State net operating loss carryforwards Deferred Tax Assets, Valuation Allowance, State Net Operating Loss Carryforwards Deferred Tax Assets, Valuation Allowance, State Net Operating Loss Carryforwards Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Deferred tax assets of a Canadian subsidiary Deferred Tax Assets, Valuation Allowance, Deferred Tax Assets Of Subsidiary Deferred Tax Assets, Valuation Allowance, Deferred Tax Assets Of Subsidiary Non-cash investing activities: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Geographical [Axis] Geographical [Axis] Landfill Accounting Land Fill accounting [Policy Text Block] Describes an entity's accounting policy for landfill accounting, including determination of the cost basis of the landfill and related asset retirement costs. 2029 Lessee, Operating Lease, Liability, to be Paid, Year Five Gain on sale of business Gain on sale of business Gain on sale of business Gain (Loss) on Disposition of Business Weighted average risk free discount rate for self insurance liabilities Financial Guarantee Insurance Contract, Claim Liability, Weighted-Average Risk-Free Discount Rate Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Less: Discount Self-Insurance Discount Rate Self-Insurance Discount Rate Schedule of Activity in Allowance for Doubtful Accounts Accounts Receivable, Allowance for Credit Loss [Table Text Block] Loss contingency accrual Loss Contingency Accrual Other long-term assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets Employee stock purchase plan (in shares) Stock Issued During Period, Shares, Employee Stock Purchase Plans Environmental Remediation Site [Domain] Environmental Remediation Site [Domain] Number of sites for which environmental remediation expense is settled Site Contingency, Environmental Remediation Expense Settled Number Of Sites Owned By Third Party The number of sites owned by the third party for which environmental remediation expense is settled. Industrial Services and Other Industrial Services And Other [Member] Industrial Services And Other [Member] Cash and cash equivalents Cash and cash equivalents, beginning of year Cash and cash equivalents, end of year Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Total other assets Assets, Noncurrent, Excluding Property, Plant and Equipment Sum of the carrying amounts as of the balance sheet date of all assets (excluding property, plant and equipment) that are expected to be realized in cash, sold or consumed after one year or beyond the normal operating cycle, if longer. Consumed (cubic yards) Consumed Airspace Consumed Airspace Unrecognized compensation cost Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Mercier, Quebec Mercier Quebec [Member] Mercier Quebec [Member] Canada and other foreign Canada And Other Foreign Countries [Member] Canada And Other Foreign Countries Foreign Current Foreign Tax Expense (Benefit) Current assets: Assets, Current [Abstract] Consolidation Items [Axis] Consolidation Items [Axis] Indefinite-lived Intangible Assets, Major Class Name [Domain] Indefinite-Lived Intangible Assets, Major Class Name [Domain] Excess business interest Deferred Tax Asset, Excess Business Interest Deferred Tax Asset, Excess Business Interest Accrued expenses and other current liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Accrued And Other Current Liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Accrued And Other Current Liabilities Lone Mountain Lone Mountain [Member] Lone Mountain [Member] Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Product and Service [Domain] Product and Service [Domain] Short-term lease cost Short-Term Lease, Cost Allowance for Doubtful Accounts SEC Schedule, 12-09, Allowance, Credit Loss [Member] Vested (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Goodwill [Roll Forward] Goodwill [Roll Forward] Short-term marketable securities Total marketable securities Marketable Securities, Current 2026 Anticipated Self-Insurance Payments Year Two Anticipated Self-Insurance Payments Year Two Landfill final closure and post-closure liabilities Landfill Final Closure and Post-Closure Liabilities Landfill Final Closure and Post-Closure Liabilities Security Exchange Name Security Exchange Name Basis spread on variable rate (as a percent) Debt Instrument, Basis Spread on Variable Rate Non-Landfill Closure and Post-Closure Liabilities Non-landfill Closure and Post-Closure Liabilities [Policy Text Block] Non-landfill Closure and Post-Closure Liabilities [Policy Text Block] Deductible per occurrence for workers compensation Deductible Per Occurrence For Workers Compensation Deductible Per Occurrence For Workers Compensation Repurchases of common stock, excluding exercise tax Stock Repurchased and Retired During Period, Value, Excluding Exercise Tax Stock Repurchased and Retired During Period, Value, Excluding Exercise Tax Operating lease right-of-use assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Operating Lease, Right-of-Use Asset Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Operating Lease, Right-of-Use Asset Number of Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Field and Emergency Response Services Field and Emergency Response [Member] Field and Emergency Response [Member] State Current State and Local Tax Expense (Benefit) Environmental Exit Costs, Name of Property [Domain] Environmental Exit Costs, Name of Property [Domain] Utah UTAH Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] ROU assets obtained in exchange for finance lease liabilities Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Operating lease liabilities Deferred Tax Assets, Operating Lease Liabilities Deferred Tax Assets, Operating Lease Liabilities Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Tax (provision) benefit Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent Common stock, issued shares (in shares) Common Stock, Shares, Issued Regulatory post-closure period for landfill (in years) Regulatory Post-Closure Period for Landfill Regulatory Post-Closure Period for Landfill Entity [Domain] Entity [Domain] Credit facility, maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Capitalized software and computer equipment Computer Equipment [Member] Schedule of Environmental Exit Costs by Cost Environmental Exit Costs by Cost [Table Text Block] Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Common stock, authorized shares (in shares) Common Stock, Shares Authorized Acquisitions, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Thereafter Anticipated Self-Insurance Payments Thereafter Anticipated Self-Insurance Payments Thereafter Prepaid expenses and other current assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets Entity Voluntary Filers Entity Voluntary Filers Closed incinerator and landfill Closed Incinerator And Landfill [Member] Closed Incinerator And Landfill [Member] Closure and Post-closure Liabilities [Axis] Closure and Post-closure Liabilities [Axis] The information about each closure and post-closure liabilities during the period. June 17, 2022 Acquisition June 17, 2022 Acquisition [Member] June 17, 2022 Acquisition Deferred income taxes Deferred income taxes Deferred Income Tax Expense (Benefit) Reclassification of gain from accumulated other comprehensive loss to interest expense Unrealized (loss) gain on fair value of interest rate hedges Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax Solvent and solutions Solvent And Solutions [Member] Solvent And Solutions PROPERTY, PLANT, AND EQUIPMENT Property, Plant and Equipment Disclosure [Text Block] Secured Overnight Financing Rate (SOFR) Adjustment Secured Overnight Financing Rate (SOFR) Adjustment [Member] Secured Overnight Financing Rate (SOFR) Adjustment Alberta, Canada ALBERTA Other comprehensive (loss) income, net of tax Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Legal and Administrative Proceedings Legal and Administrative Proceedings [Member] Represents the actual or potential liabilities that are related to the legal and administrative proceedings. Accounts receivable, net of allowances aggregating $47,242 and $42,209, respectively Receivables Accounts Receivable, after Allowance for Credit Loss, Current Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Contingencies by Nature of Contingency [Axis] Contingencies By Nature Of Contingency [Axis] Other current and long-term liabilities Increase (Decrease) in Other Operating Liabilities Debt outstanding Long-Term Debt Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Various Various [Member] Various [Member] Commercial paper Commercial Paper [Member] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Document Annual Report Document Annual Report 2027 Finance Lease, Liability, to be Paid, Year Three 2029 Accrual for Environmental Loss Contingency, Undiscounted, to be Paid, Year Five Vested (in shares) Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Less: Discount at credit-adjusted risk-free rate Discount Reserves Discount Reserves Trademarks and trade names Indefinite-Lived Intangible Assets (Excluding Goodwill) Amortization expense of permits and other intangible assets Amortization of Intangible Assets Current portion of closure, post-closure and remedial liabilities Accrued Capping, Closure, Post Closure and Remedial Liabilities, Current The amount of estimated costs accrued as of the balance sheet date to comply with regulatory requirements pertaining to the retirement of a waste management facility (such as a landfill or waste treatment facility) and to remediate one or more sites. Represents the portion that will be paid within one year. Deferred financing costs paid Payments of Financing Costs SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] Schedule of Redemption Prices Debt Instrument Redemption [Table Text Block] Accounting Policies [Abstract] Accounting Policies [Abstract] Revenues: Revenues [Abstract] BUSINESS COMBINATIONS Business Combination Disclosure [Text Block] Current Fiscal Year End Date Current Fiscal Year End Date Amount representing interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Balance at January 1, Balance at December 31, SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount 2028 Accrual for Environmental Loss Contingency, Undiscounted, to be Paid, Year Four PEO Name PEO Name Shares issued under ESPP (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period Award Type [Domain] Award Type [Domain] Award Type [Domain] Current portion of operating lease liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Operating Lease Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Operating Lease Proceeds from issuance of secured debt Proceeds from Issuance of Secured Debt Secured senior term loans due June 30, 2024 ("2024 Term Loans") 2024 Term Loans [Member] 2024 Term Loans Stock-based compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-Based Compensation Cost Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Schedule of Remedial Liabilities Anticipated Payments for Each of the Next Five Years Remedial Liabilities Anticipated Payments for Each of the Next Five Years [Table Text Block] Remedial Liabilities Anticipated Payments for Each of the Next Five Years [Table Text Block] Non-PEO NEO Non-PEO NEO [Member] Finite-lived intangible asset, useful life (in years) Finite-Lived Intangible Asset, Useful Life Additional Paid-in Capital Additional Paid-in Capital [Member] Long-term portion of lease liabilities (Other long-term liabilities) Finance Lease, Liability, Noncurrent Other Effective Income Tax Rate Reconciliation, Other Adjustments, Amount Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] 2028 Finance Lease, Liability, to be Paid, Year Four Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Name Measure Name Entity Interactive Data Current Entity Interactive Data Current Series of Individually Immaterial Business Acquisitions Series of Individually Immaterial Business Acquisitions [Member] Proceeds from sale of available-for-sale securities Proceeds from Sale of Debt Securities, Available-for-Sale Canada CANADA Number of operating segments Number of Operating Segments Accrued insurance, employee medical insurance costs Accrued Insurance, Employee Medical Insurance Costs Accrued Insurance, Employee Medical Insurance Costs Total finance lease cost Finance Lease, Cost Finance Lease, Cost Deferred tax assets: Components of Deferred Tax Assets [Abstract] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Stock-based compensation Share-Based Payment Arrangement, Noncash Expense Changes in environmental liability estimates Other Increase (Decrease) in Environmental Liabilities Unrealized Loss on Pension Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Permitted, but not highly probable airspace (cubic yards) Permitted, But Not Highly Probable Airspace Permitted, But Not Highly Probable Airspace Prepayment premium percentage Debt Instrument, Prepayment Premium Percentage Debt Instrument, Prepayment Premium Percentage Interest rate (as a percent) Debt Instrument, Interest Rate, Stated Percentage Corporate Corporate Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] Supplemental information: Supplemental Cash Flow Information [Abstract] Net income, diluted Net Income (Loss) Available to Common Stockholders, Diluted Service revenues Service [Member] Interest costs capitalized Interest Costs Capitalized Closure and Post-closure Liabilities [Domain] Closure and Post-closure Liabilities [Domain] Closure and Post-closure Liabilities [Domain] Auditor Firm ID Auditor Firm ID Effective tax rate Effective Income Tax Rate Reconciliation, Percent Income from operations Operating Income (Loss) Performance Stock Awards Performance Stock Awards [Member] Performance Stock Awards [Member] Variable Rate [Domain] Variable Rate [Domain] Valuation allowance Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount Total liabilities and stockholders' equity Liabilities and Equity Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Cash, Cash Equivalents, Marketable Securities and Uncashed Checks Marketable Securities, Policy [Policy Text Block] Foreign net operating loss carryforwards, begin to expire in 2025 Deferred Tax Assets, Operating Loss Carryforwards, Foreign Landfill sites Number Of Landfill Sites Number Of Landfill Sites Inventories and Supplies Inventory Supplies, Policy [Policy Text Block] Cash paid for amounts related to lease liabilities: Cash Flow, Lessee [Abstract] Cash Flow, Lessee [Abstract] 2026 Finance Lease, Liability, to be Paid, Year Two Interest income Investment Income, Interest Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Schedule of Restricted Stock Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] ROU assets obtained in exchange for operating lease liabilities Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Underlying Security Market Price Change Underlying Security Market Price Change, Percent Individual: Individual [Axis] Buildings and improvements Building and Building Improvements [Member] Accumulated Other Comprehensive Loss AOCI Attributable to Parent [Member] Inventories and supplies Inventory, Net Product and Service [Axis] Product and Service [Axis] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Statement [Line Items] Statement [Line Items] Schedule of Supplemental Lease Balance Sheet Information Assets and Liabilities, Lessee [Table Text Block] Assets and Liabilities, Lessee [Table Text Block] Accrual loss for workers' compensation, comprehensive general liability and vehicle liability self-insurance programs Accrual For Workers' Compensation, Comprehensive General Liability And Vehicle Liability Self-insurance Programs Accrual For Workers' Compensation, Comprehensive General Liability And Vehicle Liability Self-insurance Programs Total identifiable net assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Schedule of Asset Classification and Estimated Useful Life Schedule of Property, Plant and Equipment Property, Plant and Equipment [Table Text Block] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Purchase price to acquire business Business Combination, Consideration Transferred Interest Rate Derivatives Derivatives, Policy [Policy Text Block] Allowances for Doubtful Accounts Credit Loss, Financial Instrument [Policy Text Block] Unamortized debt issuance costs and discount, net Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Liabilities assumed in acquisitions Accrual For Environmental Loss Contingencies, Increase (Decrease) for Acquisition Accrual For Environmental Loss Contingencies, Increase (Decrease) for Acquisition Derivative, fixed interest rate Derivative, Fixed Interest Rate Minimum Minimum [Member] Adoption Date Trading Arrangement Adoption Date 2028 Anticipated Payment for Asset Retirement Obligations year Four Anticipated Payment for Asset Retirement Obligations year Four Corporate notes and bonds Corporate Notes And Bonds [Member] Corporate Notes And Bonds Currency translation and other Asset Retirement Obligation, Foreign Currency Translation Gain (Loss) Allowance for doubtful accounts Accounts Receivable, Credit Loss Expense (Reversal) Segments [Axis] Segments [Axis] Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Derivative Instrument [Axis] Derivative Instrument [Axis] Inventory [Line Items] Inventory [Line Items] Remedial Liabilities for Inactive Sites Remedial Liabilities for Inactive Sites [Member] This element represents the details that pertain to the remedial liabilities for inactive sites. Long-term debt, at par Long-Term Debt, Gross Exercise Price Award Exercise Price Schedule of Deferred Tax Assets and Liabilities Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Closure and Post-closure Liabilities [Table] Closure and Post-closure Liabilities [Table] The schedule that reflects each closure and post-closure liabilities, during the period. Arrangement Duration Trading Arrangement Duration LEASES Lessee, Finance Leases [Text Block] GOODWILL AND OTHER INTANGIBLE ASSETS Goodwill and Intangible Assets Disclosure [Text Block] Stockholders' equity: Equity, Attributable to Parent [Abstract] Marketable Securities [Table] Marketable Securities [Table] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Safety-Kleen Oil Safety-Kleen Oil [Member] Safety-Kleen Oil Total lease liabilities Finance Lease, Liability Derivative, Fixed Interest Rate, Period [Axis] Derivative, Fixed Interest Rate, Period [Axis] Derivative, Fixed Interest Rate, Period 2028 Finite-Lived Intangible Asset, Expected Amortization, Year Four All Individuals All Individuals [Member] Buildings Building [Member] Variable Rate [Axis] Variable Rate [Axis] Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Other (expense) income, net Other expense (income), net Other Nonoperating Income (Expense) Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Permits and other intangibles, net Total permits and other intangible assets, net Intangible Assets, Net (Excluding Goodwill) Non-Real Estate Non-Real Estate [Member] Non-Real Estate 2025 Anticipated Payment for Asset Retirement Obligations year One Anticipated Payment for Asset Retirement Obligations year One Technical Services Technical Services [Member] This element represents the Technical Services segment of the entity. Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Business Combination, Asset Acquisition, and Joint Venture Formation [Abstract] Accretion of environmental liabilities Accretion of environmental liabilities Accretion of Environmental Liabilities This element includes accretion expenditure that pertains to asset retirement obligations and environmental remediation. Disposal Groups, Including Discontinued Operations [Table] Disposal Groups, Including Discontinued Operations [Table] Total other liabilities Liabilities, Noncurrent Percent of permits and other intangibles, net Intangible Assets Net Excluding Goodwill Percent Intangible Assets Net Excluding Goodwill Percent Landfill Retirement Liability Landfill Retirement Liability [Member] Represents the asset retirement obligations for landfill liability. Deferred tax liabilities Deferred Income Tax Liabilities, Net All other equipment All Other Equipment [member] Represents the long-lived, depreciable assets used to produce goods and services. Other current and non-current assets Increase (Decrease) in Other Operating Assets Federal Deferred Federal Income Tax Expense (Benefit) Schedule of Accrued Expenses and Other Current Liabilities Schedule of Accrued Liabilities [Table Text Block] Cash, Cash Equivalents, Marketable Securities and Uncashed Checks Cash and Cash Equivalents, Policy [Policy Text Block] Soft call repricing term Soft Call Repricing Term Soft Call Repricing Term COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Disclosure [Text Block] Thereafter Finite-Lived Intangible Asset, Expected Amortization, after Year Five Prepaid expenses Deferred Tax Liabilities, Prepaid Expenses Impairment charges related to long-lived assets Impairment, Long-Lived Asset, Held-for-Use Measure: Measure [Axis] Total net deferred tax liability before valuation allowance Deferred Tax Liabilities, Net, Before Valuation Allowance Deferred Tax Liabilities, Net, Before Valuation Allowance Entity Emerging Growth Company Entity Emerging Growth Company Indefinite-lived Intangible Assets by Major Class [Axis] Indefinite-Lived Intangible Assets [Axis] Closed incinerator Closed Incinerator [Member] Closed Incinerator [Member] Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Asset retirement obligations, risk free rate (as a percent) Asset Retirement Obligations Discount Rate Asset Retirement Obligations Discount Rate ROU assets (Property, plant and equipment, net) Finance Lease, Right-of-Use Asset, after Accumulated Amortization 2020 Stock Incentive Plan 2020 Stock Incentive Plan [Member] 2020 Stock Incentive Plan Equity Component [Domain] Equity Component [Domain] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Entity Shell Company Entity Shell Company Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Deferred contracts costs Capitalized Contract Cost, Net SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain] SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain] Bank disbursement account balance Cash and Cash Equivalents, Bank Disbursement Account, Minimum Balance Allowed Cash and Cash Equivalents, Bank Disbursement Account, Minimum Balance Allowed Statement [Table] Statement [Table] Non-Landfill Retirement Liability Non-Landfill Retirement Liability [Member] Represents the asset retirement obligations for non-landfill liability. SIGNIFICANT ACCOUNTING POLICIES Significant Accounting Policies [Text Block] Consolidation Items [Domain] Consolidation Items [Domain] Real Estate Real Estate [Member] Reclassification adjustment for interest rate hedge amounts realized in net income Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification Realized In Net Income, After Tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification Realized In Net Income, After Tax Debt Instrument Redemption [Table] Debt Instrument Redemption [Table] Interest paid Interest Paid, Excluding Capitalized Interest, Operating Activities Property, plant and equipment, gross Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, before Accumulated Depreciation and Amortization Total current assets Assets, Current Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] 2029 Anticipated Self-Insurance Payments Year Five Anticipated Self-Insurance Payments Year Five Accrued compensation and benefits Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Compensation Self-insurance liabilities Accrued Self-Insurance Liabilities Accrued Self-Insurance Liabilities Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Permits and other intangibles Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Other intangible assets Other Intangible Assets [Member] INCOME TAXES Income Tax Disclosure [Text Block] Repurchases of common stock Stock Repurchased and Retired During Period, Value 2028 Lessee, Operating Lease, Liability, to be Paid, Year Four Noble Oil Services , Inc. Acquisition Noble Oil Services , Inc. Acquisition [Member] Noble Oil Services , Inc. Acquisition Non-deductible compensation Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount Facilities now used in active conduct of the Company's business (62 facilities, including 24 acquired by the Company through acquisitions in 2024) Active Facilities [Member] Active Facilities Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Operating lease (as a percentage) Operating Lease, Weighted Average Discount Rate, Percent Net cash from (used in) financing activities Net Cash Provided by (Used in) Financing Activities Federal, State, and Provincial Enforcement Actions Federal and State Enforcement Actions [Member] The regulatory proceedings that are relating primarily to waste treatment, storage or disposal facilities. Credit Facility [Axis] Credit Facility [Axis] Number of sites for which environmental remediation expense is not required Site Contingency, Not Requiring Environmental Remediation Expense Number Of Sites Owned By Third Party The number of sites owned by the third party for which environmental remediation expense is not required. Fair value of long-term obligations, including current portion Long-Term Debt, Fair Value Environmental expenditures Asset Retirement Obligation, Payments Asset Retirement Obligation, Payments Entity Registrant Name Entity Registrant Name Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Depreciation and amortization Depreciation and amortization Depreciation, Depletion and Amortization Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent State Deferred State and Local Income Tax Expense (Benefit) Fair Value as of Grant Date Award Grant Date Fair Value Foreign rate differential Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount Oil and oil related products Oil And Oil Related Products [Member] Oil And Oil Related Products Remaining Lives (Years) Finite-Lived Intangible Assets, Remaining Amortization Period Geographical [Domain] Geographical [Domain] Schedule of Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Asset Retirement Obligation Disclosure [Abstract] Asset Retirement Obligation Disclosure [Abstract] Principles of Consolidation Consolidation, Policy [Policy Text Block] Restatement Determination Date: Restatement Determination Date [Axis] Performance stock awards for which performance criteria was not attained at reporting date (in shares) Number Of Performance Stock Awards That Performance Criteria Not Attained Number Of Performance Stock Awards That Performance Criteria Not Attained Title of 12(b) Security Title of 12(b) Security Authorized 80,000,000 shares; issued and outstanding 53,832,692 and 53,929,703 shares, respectively Common Stock, Value, Issued Other liabilities: Other Liabilities, Noncurrent [Abstract] Document Financial Statement Error Correction Document Financial Statement Error Correction [Flag] Interest rate swap asset Deferred Tax Liabilities, Derivatives Operating cash flows from finance leases Finance Lease, Interest Payment on Liability Share-based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] Balance at the beginning of the period Balance at the end of the period Present value of closure and post-closure liabilities Asset Retirement Obligation Finance Lease, Liability, Current, Statement of Financial Position [Extensible List] Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Corporate Costs Corporate Costs Corporate Costs Tax credits Effective Income Tax Rate Reconciliation, Tax Credit, Expirations Effective Income Tax Rate Reconciliation, Tax Credit, Expirations Other Deferred Tax Assets, Other Finite-Lived Intangible Assets [Line Items] Finite-lived intangible assets Finite-Lived Intangible Assets [Line Items] Cash flows from (used in) financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Loss contingency, claims settled and dismissed, claims Loss Contingency, Claims Settled and Dismissed, Number State income taxes, net of federal benefit Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount Reclassification adjustment for settlement of interest rate hedges Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification For Settlement Of Interest Rate Hedge, After Tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification For Settlement Of Interest Rate Hedge, After Tax Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Total deferred tax liabilities Deferred Tax Liabilities, Gross Basic (in dollars per share) Basic earnings per share (in dollars per share) Earnings Per Share, Basic Operating cash flows from operating leases Operating Lease, Payments Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Environmental expenditures Payments for Environmental Liabilities Federal operating loss carryforwards, begin to expire in 2025 Deferred Tax Assets, Operating Loss Carryforwards, Domestic Trademarks and trade names Trademarks [Member] Property, plant and equipment accrued Capital Expenditures Incurred but Not yet Paid Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Realized and unrealized capital losses Deferred Tax Assets, Valuation Allowance, Realized And Unrealized Capital Losses Deferred Tax Assets, Valuation Allowance, Realized And Unrealized Capital Losses Schedule of Goodwill [Table] Goodwill [Table] Measurement period adjustments from prior period acquisitions Asset Retirement Obligation, Measurement Period Adjustments From Prior Period Acquisitions Asset Retirement Obligation, Measurement Period Adjustments From Prior Period Acquisitions Property, Plant and Equipment, net (excluding landfill assets and finance lease right-of-use assets) Property, Plant and Equipment, Policy [Policy Text Block] Permits and other intangible assets Deferred Tax Liabilities, Intangible Assets Operating lease liabilities, less current portion Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Operating Lease Liabilities, Less Current Portion Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Operating Lease Liabilities, Less Current Portion Total current liabilities Liabilities, Current Environmental Services Environmental Services Environmental Services Segment [Member] Environmental Services Segment Credit Concentration Concentration Risk, Credit Risk, Policy [Policy Text Block] 2025 Finite-Lived Intangible Asset, Expected Amortization, Year One Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Operating lease right-of-use assets Deferred Tax Liabilities, Operating Lease Right Of Use Assets Deferred Tax Liabilities, Operating Lease Right Of Use Assets Remaining Airspace Capacity [Roll Forward] Remaining Airspace Capacity [Roll Forward] Remaining Airspace Capacity [Roll Forward] Business Combinations Business Combinations Policy [Policy Text Block] STOCK-BASED COMPENSATION Share-Based Payment Arrangement [Text Block] Entity Address, City or Town Entity Address, City or Town Leases Lessee, Leases [Policy Text Block] Stock-based compensation expense Share-Based Payment Arrangement, Expense DISPOSITION OF BUSINESS Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] 2029 Anticipated Payment for Asset Retirement Obligations year Five Anticipated Payment for Asset Retirement Obligations year Five ACCUMULATED OTHER COMPREHENSIVE LOSS Comprehensive Income (Loss) Note [Text Block] Employer discretionary contribution Defined Contribution Plan, Employer Discretionary Contribution Amount Loss Contingencies [Table] Loss Contingencies [Table] Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Number of sites which potential liability could exceed $1.0 million Number of Sites, Potential Liability Exceeds Substantial Quota Number of Sites, Potential Liability Exceeds Substantial Quota Business Acquisition [Axis] Business Acquisition [Axis] Schedule of Finite-Lived Intangible Assets by Major Class Schedule of Finite-Lived Intangible Assets [Table Text Block] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Finance Leases Finance Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract] Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Inactive facilities not used in active conduct of the Company's business, most of which were assumed through prior period acquisitions (25 facilities) Inactive Facilities [Member] Inactive Facilities Kimball startup costs Non-recurring Facility Startup Costs Non-recurring Facility Startup Costs REVENUES Revenue from Contract with Customer [Text Block] Document Fiscal Year Focus Document Fiscal Year Focus Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Accrued other Other Accrued Liabilities, Current Foreign Income (Loss) from Continuing Operations before Income Taxes, Foreign 2029 Finite-Lived Intangible Asset, Expected Amortization, Year Five Document Period End Date Document Period End Date Current portion of lease liabilities (Accrued expenses and other current liabilities) Finance Lease, Liability, Current Base rate Base Rate [Member] Total future lease payments Lessee, Operating Lease, Liability, to be Paid SOFR Adjustment and Base Rate SOFR Adjustment and Base Rate [Member] SOFR Adjustment and Base Rate Revenue Allowance Revenue Allowance, Policy [Policy Text Block] Revenue Allowance, Policy Beginning balance (in shares) Ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Insider Trading Arrangements [Line Items] 2027 Lessee, Operating Lease, Liability, to be Paid, Year Three Accounts payable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Less: Undiscounted estimated closure and post-closure liabilities relating to airspace not yet consumed Reserves to be Provided Over Remaining Site Lives Reserves to be Provided Over Remaining Site Lives Document Transition Report Document Transition Report 2025 Accrual for Environmental Loss Contingency, Undiscounted, to be Paid, Year One Operating solvent recycling center Operating Solvent Recycling Center [Member] Operating Solvent Recycling Center [Member] Superfund Proceedings Superfund Proceedings [Member] Represents the indemnification obligations under federal or state Superfund laws. Entity Current Reporting Status Entity Current Reporting Status Retained Earnings Retained Earnings [Member] Undiscounted remedial liabilities Accrual for Environmental Loss Contingencies, Gross Increase (Decrease) in Stockholders' Equity Increase (Decrease) in Stockholders' Equity [Roll Forward] Executive Category: Executive Category [Axis] Schedule of Components of Provision for Income Taxes Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Amounts reclassified out of accumulated other comprehensive loss Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent Purchases of available-for-sale securities Payments to Acquire Debt Securities, Available-for-Sale Letters of credit Letter of Credit [Member] Company Selected Measure Name Company Selected Measure Name