Goodwill and Intangible Assets Disclosure [Abstract] GOODWILL AND OTHER INTANGIBLE ASSETS Goodwill and Intangible Assets Disclosure [Text Block] Business Combinations [Abstract] Schedule of Business Acquisitions, by Acquisition Schedule of Business Acquisitions, by Acquisition [Table Text Block] Discontinued Operations and Disposal Groups [Abstract] Disposition of Business Disposal Groups, Including Discontinued Operations [Table Text Block] Income Statement [Abstract] Interest expense Investment Income, Interest Accounting Policies [Abstract] SIGNIFICANT ACCOUNTING POLICIES Significant Accounting Policies [Text Block] Segment Reporting [Abstract] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Geographical [Axis] Geographical [Axis] Geographical [Domain] Geographical [Domain] United States UNITED STATES Canada CANADA Other foreign Other Foreign [Member] This element represents the other foreign segment of the entity. Revenues from External Customers and Long-Lived Assets [Line Items] Revenues from External Customers and Long-Lived Assets [Line Items] Total assets Assets Payables and Accruals [Abstract] Insurance Accrued Insurance, Current Interest Interest Payable, Current Accrued compensation and benefits Employee-related Liabilities, Current Income, real estate, sales and other taxes Taxes Payable, Current Other Other Accrued Liabilities, Current Total accrued expenses Accrued Liabilities, Current Debt Disclosure [Abstract] Summary of the entity's financial arrangements Schedule of Long-term Debt Instruments [Table Text Block] Property, Plant and Equipment [Abstract] PROPERTY, PLANT AND EQUIPMENT Property, Plant and Equipment Disclosure [Text Block] Guarantor and Non-Guarantor Subsidiaries Financial Information [Abstract] -- None. No documentation exists for this element. -- GUARANTOR AND NON-GUARANTOR SUBSIDIARIES FINANCIAL INFORMATION Condensed Financial Information for Subsidiary Guarantors and Non Guarantors Disclosure [Text Block] This element represents the disclosure of the condensed financial statements (balance sheet, income statement and statement of cash flows), normally using the registrant (parent) as the sole domain member. If condensed consolidating financial statements are being presented, other domain members (in addition to parent) such as guarantor subsidiaries, non-guarantor subsidiaries, and the consolidation eliminations, will be included in order that the respective monetary amounts for each of the domains will aggregate to the respective amounts on the consolidated financial statements. The line items are the various captions used to compile the condensed financial statements. Using extensions, most, if not all, of the elements representing condensed financial statement captions will be the same as those used for the consolidated financial statements captions. Earnings Per Share [Abstract] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Performance stock awards Performance Stock Awards [Member] Performance Stock Awards [Member] Restricted Stock Awards Restricted Stock [Member] Stock Options, Restricted Stock Awards, and Performance Awards Stock Options, Restricted Stock Awards, and Performance Awards [Member] Stock Options, Restricted Stock Awards, and Performance Awards [Member] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Shares excluded from computation of earning per share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Statement of Financial Position [Abstract] ASSETS Assets [Abstract] Current assets: Assets, Current [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Accounts receivable, net of allowances aggregating $28,782 and $31,426, respectively Accounts Receivable, Net, Current Unbilled accounts receivable 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). Deferred costs Debt Issuance Costs, Current, Net Inventories and supplies Prepaid Supplies Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Total current assets Assets, Current Property, plant and equipment, net Property, Plant and Equipment, Net Other assets: Other Assets, Noncurrent [Abstract] Deferred financing costs Debt Issuance Costs, Noncurrent, Net Goodwill Goodwill Permits and other intangibles, net Intangible Assets, Net (Excluding Goodwill) Other Other Assets, Noncurrent 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. Total assets LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities and Equity [Abstract] Current liabilities: Liabilities, Current [Abstract] Accounts payable Accounts Payable, Current Deferred revenue Deferred Revenue and Credits, Current Accrued expenses 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. Total current liabilities Liabilities, Current Other liabilities: Other Liabilities, Noncurrent [Abstract] Closure and post-closure liabilities, less current portion of $6,057 and $7,229, respectively Accrued Capping, Closure, Post-closure and Environmental Costs, Noncurrent Remedial liabilities, less current portion of $14,160 and $13,166, respectively Accrued Environmental Loss Contingencies, Noncurrent Long-term obligations Long-term Debt, Excluding Current Maturities Deferred taxes, unrecognized tax benefits and other long-term liabilities Unrecognized Tax Benefits and Other Long-term Liabilities, Noncurrent The noncurrent portion of the amount that is recognized for the unrecognized tax benefits and other long-term liabilities as of the balance sheet date. Total other liabilities Liabilities, Noncurrent Commitments and contingent liabilities Commitments and Contingencies Stockholders’ equity: Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Common Stock, $.01 par value: Authorized 80,000,000; shares issued and outstanding 57,389,531 and 57,593,201 shares, respectively Common Stock, Value, Issued Shares held under employee participation plan Common Stock Issued, Employee Trust, Deferred Additional paid-in capital Additional Paid in Capital, Common Stock Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated earnings Retained Earnings (Accumulated Deficit) Total stockholders’ equity Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Total liabilities and stockholders’ equity Liabilities and Equity Equity [Abstract] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Foreign Currency Translation Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Unrealized Gains on Available-For-Sale Securities Accumulated Net Investment Gain (Loss) Attributable to Parent [Member] Unfunded Pension Liability Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Total AOCI Attributable to Parent [Member] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Components of Other Accumulated Income, Net of Tax [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Balance at beginning of period Other comprehensive income (loss) before reclassifications Other Comprehensive Income (Loss), before Reclassifications, before Tax Tax effects Other Comprehensive Income (Loss) before Reclassifications, Tax Other comprehensive income Other Comprehensive Income (Loss), Net of Tax Balance at end of period ACCUMULATED OTHER COMPREHENSIVE LOSS Comprehensive Income (Loss) Note [Text Block] Number of reportable segments Number of Reportable Segments Environmental Remediation Obligations [Abstract] Changes to remedial liabilities Schedule of Environmental Loss Contingencies by Site [Table Text Block] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] At Acquisition Dates Scenario, Previously Reported [Member] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] 2016 Acquisitions 2016 Business Acquisitions [Member] 2016 Business Acquisitions [Member] Thermo Fluids Inc. Thermo Fluids Inc. [Member] Thermo Fluids Inc. [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Accounts receivable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables Measurement period adjustments, accounts receivable Business Combination, Measurement Period Adjustments, Current Assets, Receivables Business Combination, Measurement Period Adjustments, Current Assets, Receivables Inventories and supplies Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory Measurement period adjustment, inventories and supplies Business Combination, Measurement Period Adjustments, Inventory Business Combination, Measurement Period Adjustments, Inventory Prepaid and other current assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets Measurement period adjustment, prepaid and other current assets Business Combination, Measurement Period Adjustment, Prepaid Expenses and Other Assets Business Combination, Measurement Period Adjustment, Prepaid Expenses and Other Assets Property, plant and equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Measurement period adjustments, property, plant and equipment Business Combination, Measurement Period Adjustments, Property Plant and Equipment Business Combination, Measurement Period Adjustments, Property Plant and Equipment Permits and other intangibles Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill Measurement period adjustments, permits and other intangibles Business Combination, Measurement Period Adjustment, Other Than Goodwill Business Combination, Measurement Period Adjustment, Other Than Goodwill Deferred tax assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Assets Noncurrent Measurement period adjustments, deferred tax assets Business Combination Measurement Period Adjustment, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Assets Noncurrent Business Combination Measurement Period Adjustment, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Assets Noncurrent Current liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities Measurement period adjustments, current liabilities Business Combination, Measurement Period Adjustment, Current Liabilities Business Combination, Measurement Period Adjustment, Current Liabilities Closure and post-closure liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Closure and Post-Closure Liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Closure and Post-Closure Liabilities Measurement period adjustments, closure and post-closure liabilities Business Combination, Measurement Period Adjustments, Closure and Post Closure Liabilities Business Combination, Measurement Period Adjustments, Closure and Post Closure Liabilities Deferred taxes, unrecognized tax benefits and other long-term liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Deferred Taxes, Unrecognized Tax Benefits and Other Long-term Liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Deferred Taxes, Unrecognized Tax Benefits and Other Long-term Liabilities Measurement period adjustments, deferred taxes, unrecognized tax benefits and other long-term liabilities Business Combination, Measurement Period Adjustments, Deferred Taxes Unrecognized Tax Benefits and Other Long Term Liabilities Business Combination, Measurement Period Adjustments, Deferred Taxes Unrecognized Tax Benefits and Other Long Term Liabilities Total identifiable net assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Measurement period adjustments, total identifiable net assets Business Combination, Measurement Period Adjustments, Net Business Combination, Measurement Period Adjustments, Net Measurement period adjustments, goodwill Business Combination, Measurement Period Adjustment, Goodwill Business Combination, Measurement Period Adjustment, Goodwill Total purchase price, net of cash acquired Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net Measurement period adjustments, total purchase price, net of cash acquired Business Combination, Measurement Period Adjustment, Goodwill And Liabilities Assumed Net Business Combination, Measurement Period Adjustment, Goodwill And Liabilities Assumed Net FINANCING ARRANGEMENTS Debt Disclosure [Text Block] Reconciliation of basic and diluted earnings per share computations Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Accrued expenses Schedule of Accrued Liabilities [Table Text Block] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Segments [Axis] Segments [Axis] Segments [Domain] Segments [Domain] Technical Services Technical Services [Member] This element represents the Technical Services segment of the entity. Industrial and Field Services Industrial and Field Services [Member] This element represents the Industrial and Field Services segment of the entity. Kleen Performance Products Kleen Performance Products [Member] Kleen Performance Products SK Environmental Services Environmental Services [Member] This element represents the Environmental Services segment of the entity. Lodging Services Lodging Segment [Member] Lodging Segment [Member] Oil and Gas Field Services Oil and Gas Field Services [Member] This element represents the Oil and Gas Field Services segment of the entity. Corporate Items Corporate and Other [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] 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. Reconciliation to Consolidated Statements of Operations: Reconciliation Between Adjusted EBITDA and Income Statement [Abstract] Reconciliation Between Adjusted EBITDA and Income Statement [Abstract] Accretion of environmental liabilities Accretion of Environmental Liabilities This element includes accretion expenditure that pertains to asset retirement obligations and environmental remediation. Depreciation and amortization Depreciation, Depletion and Amortization Goodwill impairment charge Goodwill, Impairment Loss Income (loss) from operations Operating Income (Loss) Other expense Other Nonoperating Income (Expense) Gain on sale of business Gain (Loss) on Disposition of Business Interest expense, net of interest income Interest Income (Expense), Nonoperating, Net (Loss) income before (benefit) provision for income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Schedule of Goodwill [Table] Schedule of Goodwill [Table] Consolidation Items [Axis] Consolidation Items [Axis] Consolidation Items [Domain] Consolidation Items [Domain] Operating Segments Operating Segments [Member] Goodwill [Line Items] Goodwill [Line Items] Goodwill [Roll Forward] Goodwill [Roll Forward] Balance at beginning of year Acquired from current period acquisitions Goodwill, Acquired During Period Measurement period adjustment from prior period acquisitions Goodwill, Purchase Accounting Adjustments Decrease from disposition of business Goodwill, Written off Related to Sale of Business Unit Goodwill impairment charge Foreign currency translation and other Goodwill, Foreign Currency Translation Gain (Loss) Balance at end of year Schedule of changes to goodwill Schedule of Goodwill [Table Text Block] Summary of indefinite-lived intangible assets Schedule of Indefinite-Lived Intangible Assets [Table Text Block] Schedule of finite-Lived intangible assets Schedule of Finite-Lived Intangible Assets [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] Commitments and Contingencies Disclosure [Abstract] COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Disclosure [Text Block] Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Reversal of previous expense Restatement Adjustment [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum Minimum [Member] Maximum Maximum [Member] Award Type [Axis] Award Type [Axis] Equity Award [Domain] Equity Award [Domain] Restricted stock awards Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Stock-based compensation Allocated Share-based Compensation Expense Income tax benefit Employee Service Share-based Compensation, Tax Benefit from Compensation Expense Restriction period Share-based Compensation Arrangement by Share-Based Payment Award, Award Restriction Period Share-based Compensation Arrangement by Share-Based Payment Award, Award Restriction Period Unrecognized compensation cost Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized Period for recognition Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Fair value restricted stock Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Share repurchase program authorized Stock Repurchase Program, Authorized Amount Repurchases of common stock (in shares) Stock Repurchased and Retired During Period, Shares Repurchases of common stock Stock Repurchased and Retired During Period, Value Stock repurchase program, remaining authorized repurchase amount Stock Repurchase Program, Remaining Authorized Repurchase Amount Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Reclassifications out of accumulated other comprehensive income Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Schedule of condensed consolidating balance sheet Condensed Balance Sheet [Table Text Block] Schedule of condensed consolidating statement of income Schedule of Condensed Consolidating Statement of Operations [Table Text Block] Disclosure of the condensed statement of operations normally using the registrant (parent) as the sole domain member. Schedule of condensed consolidating statement of cash flows Schedule of Condensed Consolidating Statement of Cash Flows [Table Text Block] Disclosure of the condensed statement of cash flows normally using the registrant (parent) as the sole domain member. (LOSS) EARNINGS PER SHARE Earnings Per Share [Text Block] Income Tax Disclosure [Abstract] INCOME TAXES Income Tax Disclosure [Text Block] Environmental Contingencies [Table] Environmental Contingencies [Table] Discloses the specific components (such as the nature, name, and date) of the environmental contingencies and gives the possible estimates, or states that a reasonable estimate cannot be made. Contingencies by Nature of Contingency [Axis] Contingencies by Nature of Contingency [Axis] Quantifies and describes each contingency that exists as of the balance sheet date, by nature of the probable or possible estimates. 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. Legal and Administrative Proceedings Legal and Administrative Proceedings [Member] Represents the actual or potential liabilities that are related to the legal and administrative proceedings. Ville Mercier Ville Mercier [Member] Represents the details that pertain to the Ville Mercier. Superfund Proceedings Superfund Proceedings [Member] Represents the indemnification obligations under federal or state Superfund laws. ChemWaste Certain Other Third Party Sites [member] Represents the details that pertain to Certain Other Third Party Sites. Federal and State Enforcement Actions Federal and State Enforcement Actions [Member] The regulatory proceedings that are relating primarily to waste treatment, storage or disposal facilities. Contingencies [Line Items] Contingencies [Line Items] -- None. No documentation exists for this element. -- Recorded reserves for actual or probable liabilities Loss Contingency Accrual Possible increase in legal and administrative proceedings Loss Contingency Accrual at Carrying Value Potential Additional Liability The amount as of the balance sheet date of potential needed increase in the loss contingency reserves. Number of permits issued by government, for dumping organic liquid Number of Permits Issued by Government to Dump Organic Liquid The number of permits that are granted by the government in relation to environmental liabilities. Number of neighboring municipalities filing separate legal proceedings against the Mercier Subsidiary and the Government of Quebec Number of Neighboring Municipalities Filing Separate Legal Proceedings This element represents the number of municipalities other than Ville Mercier that filed legal proceedings against the Mercier Subsidiary. General damages sought Loss Contingency, General Damages Sought, Value Loss Contingency, General Damages Sought, Value Punitive damages sought Loss Contingency, Punitive Damages Sought, Value Loss Contingency, Punitive Damages Sought, Value Number of pending personal injury claims allegedly resulting from the use of Safety-Kleen's products Loss Contingency, Pending Claims, Number Number of product liability claims settled or dismissed Loss Contingency, Claims Settled and Dismissed, Number Number of sites owned by third party excluded from cleanup or related liabilities 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. 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. Notices received from owners of third party sites seeking indemnification from the company 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. 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. 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. Number of sites not currently requiring expenditures on remediation 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. Minimum potential liability Loss Contingency, Estimate of Possible Loss Number of sites which potential liability could exceed $100,000 Number of Sites, Potential Liability Exceeds Substantial Quota Number of Sites, Potential Liability Exceeds Substantial Quota Indemnification agreement with third party sites Site Contingency, Indemnification Agreement Number of Sites Owned by Third Party The number of sites for which the company has an indemnification agreement from the third party seller. 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. Statement of Cash Flows [Abstract] Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Net (loss) income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest 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] Goodwill impairment charge Allowance for doubtful accounts Provision for Doubtful Accounts Amortization of deferred financing costs and debt discount Amortization of Debt Issuance Costs and Discounts Changes in environmental liability estimates Other Increase (Decrease) in Environmental Liabilities Deferred income taxes Deferred Income Tax Expense (Benefit) Stock-based compensation Share-based Compensation Excess tax benefit of stock-based compensation Excess Tax Benefit from Share-based Compensation, Operating Activities Net tax deficiency on stock based awards Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation Other expense Other Noncash Income (Expense) Environmental expenditures Payments for Environmental Liabilities Changes in assets and liabilities, net of acquisitions Increase (Decrease) in Operating Capital [Abstract] Accounts receivable and unbilled accounts receivable Increase (Decrease) in Accounts Receivable Inventories and supplies Increase (Decrease) in Inventories Other current assets Increase (Decrease) in Other Operating Assets Accounts payable Increase (Decrease) in Accounts Payable Other current and long-term liabilities Increase (Decrease) in Other Operating Liabilities Net cash from operating activities Net Cash Provided by (Used in) Operating Activities Cash flows used in investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Additions to property, plant and equipment Payments to Acquire Property, Plant, and Equipment Proceeds from sales of fixed assets Proceeds from Sales of Fixed Assets and Assets Held for Sale Cash inflow from sale or disposal of property, plant, and equipment and assets held for sale, during the reporting period. This element refers to proceeds from such sale or disposal. Acquisitions, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Proceeds on sale of business, net of cash Proceeds from Divestiture of Businesses Additions to intangible assets, including costs to obtain or renew permits Payments to Acquire Intangible Assets Purchases of available-for-sale securities Payments to Acquire Available-for-sale Securities Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Cash flows from (used in) financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Change in uncashed checks Increase (Decrease) in Outstanding Checks, Financing Activities Proceeds from exercise of stock options Proceeds from Stock Options Exercised Issuance of restricted shares, net of shares remitted Payments Related to Tax Withholding for Share-based Compensation Repurchases of common stock Payments for Repurchase of Common Stock Deferred financing costs paid Payments of Financing Costs Payments on capital leases Repayment of Capital Lease Obligation The cash outflow for a borrowing that was recorded for a lease meeting the criteria for capitalization (with maturities within one year or more). It includes both short-term and long-term capital lease obligations. Excess tax benefit of stock-based compensation Excess Tax Benefit from Share-based Compensation, Financing Activities Issuance of senior secured notes, including premium Proceeds from Issuance of Long-term Debt Net cash from (used in) financing activities Net Cash Provided by (Used in) Financing Activities Effect of exchange rate change on cash Effect of Exchange Rate on Cash and Cash Equivalents Increase (decrease) in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Cash and cash equivalents, beginning of period Cash and cash equivalents, end of period Supplemental information: Supplemental Cash Flow Information [Abstract] 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. Interest paid Interest Paid, Net Income taxes paid Income Taxes Paid, Net Non-cash investing and financing activities: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Accrual for repurchased shares Accrual for Repurchased Shares Accrual for Repurchased Shares Property, plant and equipment accrued Noncash or Part Noncash Acquisition, Value of Assets Acquired Receivable for estimated purchase price adjustment Noncash Or Part Noncash Acquisition, Receivable For Estimated Purchase Price Adjustment Noncash Or Part Noncash Acquisition, Receivable For Estimated Purchase Price Adjustment Statement of Stockholders' Equity [Abstract] Statement [Table] Statement [Table] Common Stock Common Stock [Member] Shares Held Under Employee Participation Plan Shares Held Under Employee Participation Plan [Member] Common stock held in a trust that has been set up specifically to accumulate stock for the sole purpose of distribution to participating employees but not yet earned. Additional Paid-in Capital Additional Paid-in Capital [Member] Accumulated Other Comprehensive Loss Accumulated Earnings Retained Earnings [Member] Statement [Line Items] Statement [Line Items] Increase (Decrease) in Stockholders' Equity Balance beginning of period (in shares) Shares, Issued Stock-based compensation Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures Issuance of restricted shares, net of shares remitted Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Issuance of restricted shares, net of shares remitted (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Repurchases of common stock Repurchases of common stock (in shares) Exercise of stock options Stock Issued During Period, Value, Stock Options Exercised Exercise of stock options (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Net tax deficiency on stock based awards Adjustment to Additional Paid in Capital, Income Tax Effect from Share-based Compensation, Net Balance ending of period (in shares) SEGMENT REPORTING Segment Reporting Disclosure [Text Block] Inventory Disclosure [Abstract] Schedule of Inventory Schedule of Inventory, Current [Table Text Block] Schedule of Condensed Financial Statements [Table] Condensed Financial Statements [Table] Reportable Legal Entities Reportable Legal Entities [Member] Consolidating Adjustments Consolidation, Eliminations [Member] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] Clean Harbors, Inc. Parent Company [Member] U.S. Guarantor Subsidiaries Guarantor Subsidiaries [Member] Foreign Non-Guarantor Subsidiaries Non-Guarantor Subsidiaries [Member] Condensed consolidating balance sheet Condensed Financial Statements, Captions [Line Items] Intercompany receivables Receivables from Affiliates Subsidiaries and Holding Companies This element represents receivables from affiliates, subsidiaries and the holding company. Accounts receivable, net Other current assets Other Assets, Current Investments in subsidiaries Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Intercompany debt receivable Debt Receivable from Affiliates Subsidiaries and Holding Companies This element represents debts receivable from the affiliates, subsidiaries and the holding company. Other long-term assets Other Assets, Miscellaneous, Noncurrent Current liabilities Intercompany payables Payables to Affiliates Subsidiaries and Holding Companies This element represents payables to affiliates, subsidiaries and the holding company. Closure, post-closure and remedial liabilities, net Closure Post Closure and Remedial Liabilities, Net The net amount of closure, post-closure and remedial liabilities that is required as of the balance sheet date, which will be paid after one year or beyond the normal operating cycle, if longer. Intercompany debt payable Debt Payable to Affiliates Subsidiaries and Holding Companies This element represents the debts payable to the affiliates, subsidiaries and the holding company. Other long-term liabilities Total liabilities Liabilities Stockholders’ equity Common stock, par value (in USD per share) Common Stock, Par or Stated Value Per Share Asset Retirement Obligation Disclosure [Abstract] CLOSURE AND POST-CLOSURE LIABILITIES Asset Retirement Obligation Disclosure [Text Block] Property, plant and equipment, net Disposal Groups, Including Discontinued Operations [Table] Disposal Groups, Including Discontinued Operations [Table] Disposal Group Name [Axis] Disposal Group Name [Axis] Disposal Group Name [Domain] Disposal Group Name [Domain] Catalyst Services Catalyst Services [Member] Catalyst Services [Member] Disposal Group Classification [Axis] Disposal Group Classification [Axis] Disposal Group Classification [Domain] Disposal Group Classification [Domain] Disposal Group, Disposed of by Sale, Not Discontinued Operations Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] 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] Proceeds from sale Disposal Group, Including Discontinued Operation, Consideration Proceeds from sale, net of cash divested Proceeds from Divestiture of Businesses, Net of Cash Divested Gain on sale Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal Transaction costs Disposal Group, Including Discontinued Operation, Transaction Costs Disposal Group, Including Discontinued Operation, Transaction Costs Site Contingency [Table] Site Contingency [Table] Environmental Remediation Site [Axis] Environmental Remediation Site [Axis] Environmental Remediation Site [Domain] Environmental Remediation Site [Domain] 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. 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. 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. Remedial liabilities Site Contingency [Line Items] Accrual for Environmental Loss Contingencies [Roll Forward] Accrual for Environmental Loss Contingencies [Roll Forward] Balance at beginning of year Accrual for Environmental Loss Contingencies Liabilities assumed in acquisition Accrual for Environmental Loss Contingencies, Increase (Decrease) for Acquisitions and Divestitures Accretion Accrual for Environmental Loss Contingencies, Charges to Expense for New Losses Changes in estimates recorded to statement of operations Accrual for Environmental Loss Contingencies, Revision in Estimates Expenditures Accrual for Environmental Loss Contingencies, Payments 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. Balance at end of year (Loss) income before provision for income taxes Income (Loss) from Individually Significant Component Disposed of or Held-for-sale, Excluding Discontinued Operations, Attributable to Parent, before Income Tax Statement of Comprehensive Income [Abstract] Unrealized gains (losses) on available-for-sale securities, taxes Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Tax Total current assets Disposal Group, Including Discontinued Operation, Assets, Current Property, plant and equipment, net Disposal Group, Including Discontinued Operation, Property, Plant and Equipment, Noncurrent Total other assets Disposal Group, Including Discontinued Operation, Other Assets, Noncurrent Total assets divested Disposal Group, Including Discontinued Operation, Assets Total current liabilities Disposal Group, Including Discontinued Operation, Liabilities, Current Total other liabilities Disposal Group, Including Discontinued Operation, Other Liabilities, Noncurrent Total liabilities divested Disposal Group, Including Discontinued Operation, Liabilities Net carrying value divested Disposal Group, Including Discontinued Operation, Assets (Liabilities), Net Disposal Group, Including Discontinued Operation, Assets (Liabilities), Net Number of Shares Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Beginning balance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Vested (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Ending balance (in shares) 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] Beginning of period (in USD per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Granted (in USD 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 Vested (in USD 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 Forfeited (in USD per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value End of period (in USD per share) 2016 (three months) Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year 2017 Finite-Lived Intangible Assets, Amortization Expense, Year Two 2018 Finite-Lived Intangible Assets, Amortization Expense, Year Three 2019 Finite-Lived Intangible Assets, Amortization Expense, Year Four 2020 Finite-Lived Intangible Assets, Amortization Expense, Year Five Thereafter Finite-Lived Intangible Assets, Amortization Expense, after Year Five Net Finite-Lived Intangible Assets, Net Forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Revenues: Revenues [Abstract] Service revenues Sales Revenue, Services, Net Product revenues Sales Revenue, Goods, Net Total revenues Revenues Cost of revenues (exclusive of items shown separately below) Cost of Revenue [Abstract] Service revenues Cost of Services Product revenues Cost of Goods Sold Total cost of revenues Cost of Revenue Selling, general and administrative expenses Selling, General and Administrative Expense Other expense Gain on sale of business Interest expense, net of interest income of $196, $126, $571 and $465, respectively Provision for income taxes Income Tax Expense (Benefit) Net (loss) income (Loss) earnings per share: Basic (in USD per share) Earnings Per Share, Basic Diluted (in USD per share) Earnings Per Share, Diluted Shares used to compute (loss) earnings per share - Basic (in shares) Weighted Average Number of Shares Outstanding, Basic Shares used to compute (loss) earnings per share - Diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Account receivable, allowances aggregating Allowance for Doubtful Accounts Receivable, Current Closure and post-closure liabilities, current portion Accrued Capping, Closure, Post-closure and Environmental Costs Remedial liabilities, current portion Accrued Environmental Loss Contingencies, Current Common stock, authorized shares (in shares) Common Stock, Shares Authorized Common stock, issued shares (in shares) Common Stock, Shares, Issued Common stock, outstanding shares (in shares) Common Stock, Shares, Outstanding INVENTORIES AND SUPPLIES Inventory Disclosure [Text Block] Numerator for basic and diluted (loss) earnings per share: Numerator for Basic and Diluted Earnings Per Share [Abstract] -- None. No documentation exists for this element. -- Denominator: Denominator for Basic and Diluted Earnings Per Share [Abstract] -- None. No documentation exists for this element. -- Basic shares outstanding (in shares) Dilutive effect of equity-based compensation awards (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Dilutive shares outstanding (in shares) Basic earnings (loss) per share (in USD per share) Diluted earnings (loss) per share (in USD per share) Subsidiary or equity method investee, cumulative percentage ownership after all transactions Subsidiary or Equity Method Investee, Cumulative Percentage Ownership after All Transactions Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Senior unsecured notes, at 5.125%, due June 1, 2021 (2021 Notes) Unsecured Senior Notes 2021 [Member] Unsecured Senior Notes 2021 [Member] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Unsecured debt Unsecured Debt [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Issuance of debt Debt Instrument, Face Amount Summary of restricted stock awards Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block] Summary of performance stock awards Schedule of Nonvested Performance-based Units Activity [Table Text Block] Senior unsecured notes, at 5.25%, due August 1, 2020 (2020 Notes) Unsecured Senior Notes 2020 [Member] Unsecured Senior Notes 2020 [Member] Parent and domestic subsidiaries Parent and Domestic Subsidiaries [Member] Parent and Domestic Subsidiaries [Member] Canadian subsidiaries Canadian Subsidiaries [Member] Canadian Subsidiaries [Member] Financing arrangements Long-term obligations, at par Long-term Debt, Gross Unamortized debt issuance costs and premium, net Debt Issuance Costs, Net Long-term obligations, at carrying value Stated interest rate Debt Instrument, Interest Rate, Stated Percentage Fair value Long-term Debt, Fair Value Revolving credit facility, amount outstanding Long-term Line of Credit Line of credit facility available borrowing capacity Line of Credit Facility, Remaining Borrowing Capacity Letters of credit amount outstanding Letters of Credit Outstanding, Amount Credit available subject to percentage of accounts receivable Credit Available Subject to Percentage of Accounts Receivable Credit Available Subject to Percentage of Accounts Receivable Credit available subject to percentage of cash deposited Credit Available Subject to Percentage of Cash Deposited Credit Available Subject to Percentage of Cash Deposited Oil and oil products Energy Related Inventory, Crude Oil, Products and Merchandise Supplies and drums Energy Related Inventory Supplies and Drums Energy Related Inventory Supplies and Drums Solvent and solutions Energy Related Inventory, Chemicals Modular camp accommodations Energy Related Inventory Modular Camp Accommodations Energy Related Inventory Modular Camp Accommodations Other Energy Related Inventory Other Energy Related Inventory and Supplies Other Total inventories and supplies REMEDIAL LIABILITIES Environmental Loss Contingency Disclosure [Text Block] Intersegment revenues, net Intersegment Eliminations [Member] Corporate Items, net Corporate And Reconciling Items [Member] Corporate And Reconciling Items [Member] Direct revenues Total revenues Organization, Consolidation and Presentation of Financial Statements [Abstract] BASIS OF PRESENTATION Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Schedule of closure and post-closure liabilities Schedule of Change in Asset Retirement Obligation [Table Text Block] Other comprehensive (loss) income: Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax [Abstract] Unrealized losses on available-for-sale securities (net of taxes of $238, $0, $238 and $0, respectively) Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax Other comprehensive (loss) income Comprehensive (loss) income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Property, Plant and Equipment Property, Plant and Equipment [Table Text Block] Schedule of Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Land Land [Member] Asset retirement costs (non-landfill) Asset Retirement Obligation Costs [Member] Landfill assets Landfill [Member] Buildings and improvements Building and Building Improvements [Member] Camp equipment Camp Equipment [Member] Represents the industrial lodging facilities that are utilized in the entity's Industrial Services segment to provide lodging services to companies in the refinery and petrochemical industries. Vehicles Vehicles [Member] Equipment Equipment [Member] Furniture and fixtures Furniture and Fixtures [Member] Construction in progress Construction in Progress [Member] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Total property, plant and equipment, gross Property, Plant and Equipment, Gross Less - accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Total property, plant and equipment, net Interest costs capitalized adjustment Interest Costs Capitalized Adjustment Depreciation inclusive of amortization Depreciation Inclusive of Amortization Depreciation Inclusive of Amortization BUSINESS COMBINATIONS Business Combination Disclosure [Text Block] Schedule of accumulated other comprehensive loss Schedule of Accumulated Other Comprehensive Income (Loss) [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. Closure and Post-closure Liabilities [Axis] Closure and Post-closure Liabilities [Axis] The information about each closure and post-closure liabilities during the period. Closure and Post-closure Liabilities [Domain] Closure and Post-closure Liabilities [Domain] Closure and Post-closure Liabilities [Domain] Landfill Retirement Liability Landfill Retirement Liability [Member] Represents the asset retirement obligations for landfill liability. Non-Landfill Retirement Liability Non-Landfill Retirement Liability [Member] Represents the asset retirement obligations for non-landfill liability. CLOSURE AND POST-CLOSURE LIABILITIES Closure and Post Closure Liabilities [Line Items] -- None. No documentation exists for this element. -- Changes to post-closure liabilities Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] Beginning balance Asset Retirement Obligation Liabilities assumed in acquisitions Asset Retirement Obligation, Liabilities Assumed From Business Acquisitions, Originally Reported Asset Retirement Obligation, Liabilities Assumed from Business Acquisitions, Originally Reported Adjustments during the measurement period related to 2015 acquisitions Asset Retirement Obligation, Liabilities Assumed from Business Acquisitions, Measurement Period Adjustment Asset Retirement Obligation, Liabilities Assumed from Business Acquisitions, Measurement Period Adjustment New asset retirement obligations Asset Retirement Obligation, Liabilities Incurred Accretion Asset Retirement Obligation, Accretion Expense Changes in estimates recorded to 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. Expenditures Asset Retirement Obligation, Liabilities Settled Currency translation and other Asset Retirement Obligation, Foreign Currency Translation Gain (Loss) Ending balance Credit-adjusted risk-free rate Credit Adjusted Risk Free Rate The rate applied to the undiscounted amount of new asset retirement obligations that are expected to arrive at the present value and that are recorded as of the balance sheet date. Privately Owned Domestic Company Privately Owned Domestic Company [Member] Privately Owned Domestic Company [Member] Number of acquisitions Number of Businesses Acquired Number of re-refineries acquired Number of Re-Refineries Acquired Number of Re-Refineries Acquired Purchase price Business Combination, Consideration Transferred Revenue from acquisitions Business Acquisition, Pro Forma Revenue Acquisition-related costs Business Combination, Acquisition Related Costs Goodwill, acquired during period Effective income tax rate Effective Income Tax Rate Reconciliation, Percent Unrecognized tax benefits Unrecognized Tax Benefits Interest on unrecognized tax benefits Unrecognized Tax Benefits, Interest on Income Taxes Accrued Schedule of Finite-lived and Indefinite-lived Intangible Assets [Table] Schedule of Finite-lived and Indefinite-lived Intangible Assets [Table] Schedule of Finite-lived and Indefinite-lived Intangible Assets [Table] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Permits Permits [Member] The description that pertains to the permits. Customer and supplier relationships Customer Relationships [Member] Other intangible assets Other Intangible Assets [Member] Indefinite-lived Intangible Assets by Major Class [Axis] Indefinite-lived Intangible Assets [Axis] Indefinite-lived Intangible Assets, Major Class Name [Domain] Indefinite-lived Intangible Assets, Major Class Name [Domain] Trademarks and trade names Trademarks [Member] Schedule of Finite-lived and Indefinite-lived Intangible Assets [Line Items] Schedule of Finite-lived and Indefinite-lived Intangible Assets [Line Items] [Line Items] for Schedule of Finite-lived and Indefinite-lived Intangible Assets [Table] Cost Finite-Lived Intangible Assets, Gross Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Weighted Average Remaining Amortization Period (in years) Finite-Lived Intangible Asset, Useful Life Trademarks and trade names Indefinite-Lived Intangible Assets (Excluding Goodwill) Total permits and other intangible assets, Cost Intangible Assets, Gross (Excluding Goodwill) Total permits and other intangible assets, Net Consolidating statement of income Service cost of revenues Product cost of revenues Other income (expense) Interest (expense) income Equity in earnings of subsidiaries, net of taxes Income (Loss) from Affiliates Subsidiaries and Holding Company Represents the income (loss) from affiliates, subsidiaries and the holding company. Intercompany interest income (expense) Net Interest Income from Affiliates Subsidiaries and Holding Company Represents the net interest income from affiliates, subsidiaries and the holding company. (Benefit) provision for income taxes Other comprehensive (loss) income Document and Entity Information [Abstract] Document and Entity Information [Abstract] Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Document Type Document Type Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Amendment Flag Amendment Flag Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding STOCK-BASED COMPENSATION Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Consolidating Adjustments Condensed consolidating statement of cash flows Net cash from (used in) operating activities Cash flows used in investing activities: Proceeds from sales of fixed assets Costs to obtain or renew permits Investment in subsidiaries Payments to Acquire Additional Interest in Subsidiaries Intercompany Intercompany, Investing Intercompany, Investing Cash flows from (used in) financing activities: Exercise of stock options Issuance of restricted shares, net of shares remitted Deferred financing costs paid Payments of capital leases Issuance of senior secured notes, including premium Proceeds from Issuance of Senior Long-term Debt Intercompany Intercompany, Financing Intercompany, Financing Intercompany debt Intercompany Debt, Financing Intercompany Debt, Financing Increase (decrease) in cash and cash equivalents ACCRUED EXPENSES Accrued Expenses Disclosure [Text Block] The entire disclosure for accrued expenses at the end of the reporting period. Subsegments [Axis] Subsegments [Axis] Subsegments [Domain] Subsegments [Domain] Industrial Services Industrial Services [Member] Industrial Services [Member] Goodwill Goodwill, Gross Fair value of goodwill Goodwill, Fair Value Disclosure Intangible assets Amortization of permits and other intangible assets Amortization of Intangible Assets Reconciliation of third party revenues to direct revenues Schedule of Segment Revenues [Table Text Block] Tabular disclosure of the direct revenues for each reportable segment, including a reconciliation to consolidated third party revenues. 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. PP&E, intangible assets and total assets by segment Schedule Of Property Plant And Equipment, Intangible Assets And Total Assets By Segment [Table Text Block] Tabular disclosure of property, plant and equipment, intangible assets, and total assets for each reportable segment, including a reconciliation to consolidated amounts. Total assets by geographical area Schedule of Total Assets by Geographical Area [Table Text Block] Tabular disclosure of total assets by geographical area, including a reconciliation to consolidated amounts. DISPOSITION OF BUSINESS Disposal Groups, Including Discontinued Operations, Disclosure [Text Block]