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GUARANTOR AND NON-GUARANTOR SUBSIDIARIES FINANCIAL INFORMATION (Consolidating Statement of Operations) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2018 | Mar. 31, 2017
Revenues: |  |
Service revenues | $ 619,719 | $ 560,214
Product revenues | 130,059 | 128,727
Total revenues | 749,778 | 688,941
Cost of revenues: (exclusive of items shown separately below) |  |
Service cost of revenues | 447,649 | 391,087
Product cost of revenues | 98,776 | 105,498
Total cost of revenues | 546,425 | 496,585
Selling, general and administrative expenses | 115,088 | 112,221
Accretion of environmental liabilities | 2,430 | 2,290
Depreciation and amortization | 74,844 | 72,412
Income from operations | 10,991 | 5,433
Other expense, net | (299) | (1,549)
Interest (expense) income, net | (20,270) | (22,576)
Equity in earnings of subsidiaries, net of taxes | 0 | 0
Intercompany interest income (expense) | 0 | 0
(Loss) income before (benefit) provision for income taxes | (9,578) | (18,692)
(Benefit) provision for income taxes | 3,053 | 2,701
Net loss | (12,631) | (21,393)
Other comprehensive loss | (16,746) | 6,051
Comprehensive loss | (29,377) | (15,342)
Reportable Legal Entities | Clean Harbors, Inc. |  |
Revenues: |  |
Service revenues | 0 | 0
Product revenues | 0 | 0
Total revenues | 0 | 0
Cost of revenues: (exclusive of items shown separately below) |  |
Service cost of revenues | 0 | 0
Product cost of revenues | 0 | 0
Total cost of revenues | 0 | 0
Selling, general and administrative expenses | 35 | 24
Accretion of environmental liabilities | 0 | 0
Depreciation and amortization | 0 | 0
Income from operations | (35) | (24)
Other expense, net | 0 | (146)
Interest (expense) income, net | (20,999) | (22,659)
Equity in earnings of subsidiaries, net of taxes | 2,514 | (7,637)
Intercompany interest income (expense) | 0 | 0
(Loss) income before (benefit) provision for income taxes | (18,520) | (30,466)
(Benefit) provision for income taxes | (5,889) | (9,073)
Net loss | (12,631) | (21,393)
Other comprehensive loss | (16,746) | 6,051
Comprehensive loss | (29,377) | (15,342)
Reportable Legal Entities | Guarantor Subsidiaries |  |
Revenues: |  |
Service revenues | 481,483 | 443,305
Product revenues | 121,582 | 116,650
Total revenues | 603,065 | 559,955
Cost of revenues: (exclusive of items shown separately below) |  |
Service cost of revenues | 328,180 | 294,145
Product cost of revenues | 95,038 | 96,505
Total cost of revenues | 423,218 | 390,650
Selling, general and administrative expenses | 93,843 | 92,171
Accretion of environmental liabilities | 2,176 | 2,055
Depreciation and amortization | 53,704 | 51,900
Income from operations | 30,124 | 23,179
Other expense, net | (85) | (1,389)
Interest (expense) income, net | 505 | 119
Equity in earnings of subsidiaries, net of taxes | (20,062) | (21,824)
Intercompany interest income (expense) | 1,361 | 1,297
(Loss) income before (benefit) provision for income taxes | 11,843 | 1,382
(Benefit) provision for income taxes | 9,101 | 9,637
Net loss | 2,742 | (8,255)
Other comprehensive loss | (16,746) | 6,051
Comprehensive loss | (14,004) | (2,204)
Reportable Legal Entities | Non-Guarantor Subsidiaries |  |
Revenues: |  |
Service revenues | 152,401 | 131,071
Product revenues | 11,450 | 15,331
Total revenues | 163,851 | 146,402
Cost of revenues: (exclusive of items shown separately below) |  |
Service cost of revenues | 133,634 | 111,104
Product cost of revenues | 6,711 | 12,247
Total cost of revenues | 140,345 | 123,351
Selling, general and administrative expenses | 21,210 | 20,026
Accretion of environmental liabilities | 254 | 235
Depreciation and amortization | 21,140 | 20,512
Income from operations | (19,098) | (17,722)
Other expense, net | (214) | (14)
Interest (expense) income, net | 224 | (36)
Equity in earnings of subsidiaries, net of taxes | 0 | 0
Intercompany interest income (expense) | (1,361) | (1,297)
(Loss) income before (benefit) provision for income taxes | (20,449) | (19,069)
(Benefit) provision for income taxes | (159) | 2,137
Net loss | (20,290) | (21,206)
Other comprehensive loss | (14,007) | 5,032
Comprehensive loss | (34,297) | (16,174)
Consolidating Adjustments |  |
Revenues: |  |
Service revenues | (14,165) | (14,162)
Product revenues | (2,973) | (3,254)
Total revenues | (17,138) | (17,416)
Cost of revenues: (exclusive of items shown separately below) |  |
Service cost of revenues | (14,165) | (14,162)
Product cost of revenues | (2,973) | (3,254)
Total cost of revenues | (17,138) | (17,416)
Selling, general and administrative expenses | 0 | 0
Accretion of environmental liabilities | 0 | 0
Depreciation and amortization | 0 | 0
Income from operations | 0 | 0
Other expense, net | 0 | 0
Interest (expense) income, net | 0 | 0
Equity in earnings of subsidiaries, net of taxes | 17,548 | 29,461
Intercompany interest income (expense) | 0 | 0
(Loss) income before (benefit) provision for income taxes | 17,548 | 29,461
(Benefit) provision for income taxes | 0 | 0
Net loss | 17,548 | 29,461
Other comprehensive loss | 30,753 | (11,083)
Comprehensive loss | $ 48,301 | $ 18,378

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