0000001 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 0000002 - Statement - CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 0000003 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 0000004 - Statement - UNAUDITED CONSOLIDATED STATEMENTS OF OPERATIONS link:presentationLink link:calculationLink link:definitionLink 0000005 - Statement - UNAUDITED CONSOLIDATED STATEMENTS OF OPERATIONS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 0000006 - Statement - UNAUDITED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME link:presentationLink link:calculationLink link:definitionLink 0000007 - Statement - UNAUDITED CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 0000008 - Statement - UNAUDITED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY link:presentationLink link:calculationLink link:definitionLink 0000009 - Statement - UNAUDITED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (PARENTHETICAL) link:presentationLink link:calculationLink link:definitionLink 0000010 - Disclosure - BASIS OF PRESENTATION link:presentationLink link:calculationLink link:definitionLink 0000011 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES link:presentationLink link:calculationLink link:definitionLink 0000012 - Disclosure - REVENUES link:presentationLink link:calculationLink link:definitionLink 0000013 - Disclosure - BUSINESS COMBINATIONS link:presentationLink link:calculationLink link:definitionLink 0000014 - Disclosure - DISPOSITION OF BUSINESS link:presentationLink link:calculationLink link:definitionLink 0000015 - Disclosure - INVENTORIES AND SUPPLIES link:presentationLink link:calculationLink link:definitionLink 0000016 - Disclosure - PROPERTY, PLANT AND EQUIPMENT link:presentationLink link:calculationLink link:definitionLink 0000017 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS link:presentationLink link:calculationLink link:definitionLink 0000018 - Disclosure - ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES link:presentationLink link:calculationLink link:definitionLink 0000019 - Disclosure - CLOSURE AND POST-CLOSURE LIABILITIES link:presentationLink link:calculationLink link:definitionLink 0000020 - Disclosure - REMEDIAL LIABILITIES link:presentationLink link:calculationLink link:definitionLink 0000021 - Disclosure - FINANCING ARRANGEMENTS link:presentationLink link:calculationLink link:definitionLink 0000022 - Disclosure - EARNINGS PER SHARE link:presentationLink link:calculationLink link:definitionLink 0000023 - Disclosure - ACCUMULATED OTHER COMPREHENSIVE LOSS link:presentationLink link:calculationLink link:definitionLink 0000024 - Disclosure - STOCK-BASED COMPENSATION link:presentationLink link:calculationLink link:definitionLink 0000025 - Disclosure - COMMITMENTS AND CONTINGENCIES link:presentationLink link:calculationLink link:definitionLink 0000026 - Disclosure - SEGMENT REPORTING link:presentationLink link:calculationLink link:definitionLink 9954701 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES (Policies) link:presentationLink link:calculationLink link:definitionLink 9954702 - Disclosure - REVENUES (Tables) link:presentationLink link:calculationLink link:definitionLink 9954703 - Disclosure - BUSINESS COMBINATIONS (Tables) link:presentationLink link:calculationLink link:definitionLink 9954704 - Disclosure - INVENTORIES AND SUPPLIES (Tables) link:presentationLink link:calculationLink link:definitionLink 9954705 - Disclosure - PROPERTY, PLANT AND EQUIPMENT (Tables) link:presentationLink link:calculationLink link:definitionLink 9954706 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS (Tables) link:presentationLink link:calculationLink link:definitionLink 9954707 - Disclosure - ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES (Tables) link:presentationLink link:calculationLink link:definitionLink 9954708 - Disclosure - CLOSURE AND POST-CLOSURE LIABILITIES (Tables) link:presentationLink link:calculationLink link:definitionLink 9954709 - Disclosure - REMEDIAL LIABILITIES (Tables) link:presentationLink link:calculationLink link:definitionLink 9954710 - Disclosure - FINANCING ARRANGEMENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 9954711 - Disclosure - EARNINGS PER SHARE (Tables) link:presentationLink link:calculationLink link:definitionLink 9954712 - Disclosure - ACCUMULATED OTHER COMPREHENSIVE LOSS (Tables) link:presentationLink link:calculationLink link:definitionLink 9954713 - Disclosure - STOCK-BASED COMPENSATION (Tables) link:presentationLink link:calculationLink link:definitionLink 9954714 - Disclosure - SEGMENT REPORTING (Tables) link:presentationLink link:calculationLink link:definitionLink 9954715 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES (Details) link:presentationLink link:calculationLink link:definitionLink 9954716 - Disclosure - REVENUES - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9954717 - Disclosure - REVENUES - Disaggregation of Revenue (Details) link:presentationLink link:calculationLink link:definitionLink 9954718 - Disclosure - REVENUES - Contract Balances (Details) link:presentationLink link:calculationLink link:definitionLink 9954719 - Disclosure - BUSINESS COMBINATIONS - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9954720 - Disclosure - BUSINESS COMBINATIONS - Assets Acquired and Liabilities Assumed (Details) link:presentationLink link:calculationLink link:definitionLink 9954721 - Disclosure - DISPOSITION OF BUSINESS (Details) link:presentationLink link:calculationLink link:definitionLink 9954722 - Disclosure - INVENTORIES AND SUPPLIES (Details) link:presentationLink link:calculationLink link:definitionLink 9954723 - Disclosure - PROPERTY, PLANT AND EQUIPMENT - Schedule of Property, Plant and Equipment (Details) link:presentationLink link:calculationLink link:definitionLink 9954724 - Disclosure - PROPERTY, PLANT AND EQUIPMENT - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9954725 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS - Changes to Goodwill (Details) link:presentationLink link:calculationLink link:definitionLink 9954726 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9954727 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS - Finite-lived and Indefinite Lived Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9954727 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS - Finite-lived and Indefinite Lived Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9954728 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS - Expected Future Amortization (Details) link:presentationLink link:calculationLink link:definitionLink 9954729 - Disclosure - ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES (Details) link:presentationLink link:calculationLink link:definitionLink 9954730 - Disclosure - CLOSURE AND POST-CLOSURE LIABILITIES - Changes in Post-Closure Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9954731 - Disclosure - REMEDIAL LIABILITIES (Details) link:presentationLink link:calculationLink link:definitionLink 9954732 - Disclosure - FINANCING ARRANGEMENTS - Summary of Financing Arrangements (Details) link:presentationLink link:calculationLink link:definitionLink 9954733 - Disclosure - FINANCING ARRANGEMENTS - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9954734 - Disclosure - EARNINGS PER SHARE - Reconciliation of Basic and Diluted Earnings Per Share Computations (Details) link:presentationLink link:calculationLink link:definitionLink 9954735 - Disclosure - EARNINGS PER SHARE - Anti-Dilutive Securities (Details) link:presentationLink link:calculationLink link:definitionLink 9954736 - Disclosure - ACCUMULATED OTHER COMPREHENSIVE LOSS - Changes in Accumulated Other Comprehensive Loss by Component (Details) link:presentationLink link:calculationLink link:definitionLink 9954737 - Disclosure - ACCUMULATED OTHER COMPREHENSIVE LOSS - Reclassified Out of Accumulated Other Comprehensive Loss (Details) link:presentationLink link:calculationLink link:definitionLink 9954738 - Disclosure - STOCK-BASED COMPENSATION - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9954739 - Disclosure - STOCK-BASED COMPENSATION - Restricted Stock Awards (Details) link:presentationLink link:calculationLink link:definitionLink 9954740 - Disclosure - STOCK-BASED COMPENSATION - Performance Stock Awards (Details) link:presentationLink link:calculationLink link:definitionLink 9954741 - Disclosure - COMMITMENTS AND CONTINGENCIES (Details) link:presentationLink link:calculationLink link:definitionLink 9954742 - Disclosure - SEGMENT REPORTING - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9954743 - Disclosure - SEGMENT REPORTING - Reconciliation of Third Party Revenues to Direct Revenues (Details) link:presentationLink link:calculationLink link:definitionLink 9954744 - Disclosure - SEGMENT REPORTING - Reconciliation to Consolidated Statements of Income to Adjusted EBITDA (Details) link:presentationLink link:calculationLink link:definitionLink