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SEGMENT REPORTING (Tables) | 6 Months Ended
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Jun. 30, 2017
Segment Reporting [Abstract] |
Reconciliation of third party revenues to direct revenues | The following table reconciles third party revenues to direct revenues for the three and six months ended June 30, 2017 and 2016 (in thousands):
| For the Three Months Ended June 30, 2017 |  | For the Three Months Ended June 30, 2016
| Third party revenues |  | Intersegment revenues, net |  | Corporate Items, net |  | Direct revenues |  | Third party revenues |  | Intersegment revenues, net |  | Corporate Items, net |  | Direct revenues
Technical Services | $ | 254,487 |  |  | $ | 40,001 |  |  | $ | 408 |  |  | $ | 294,896 |  |  | $ | 229,130 |  |  | $ | 35,578 |  |  | $ | 667 |  |  | $ | 265,375 |
Industrial and Field Services | 167,899 |  |  | (9,067 | ) |  | (133 | ) |  | 158,699 |  |  | 164,641 |  |  | (7,922 | ) |  | (303 | ) |  | 156,416 |
Safety-Kleen | 302,956 |  |  | (31,639 | ) |  | (2 | ) |  | 271,315 |  |  | 277,715 |  |  | (29,092 | ) |  | 1 |  |  | 248,624 |
Oil, Gas and Lodging Services | 27,245 |  |  | 705 |  |  | 45 |  |  | 27,995 |  |  | 24,860 |  |  | 1,436 |  |  | 79 |  |  | 26,375 |
Corporate Items | 201 |  |  | — |  |  | (318 | ) |  | (117 | ) |  | 1,164 |  |  | — |  |  | (444 | ) |  | 720 |
Total | $ | 752,788 |  |  | $ | — |  |  | $ | — |  |  | $ | 752,788 |  |  | $ | 697,510 |  |  | $ | — |  |  | $ | — |  |  | $ | 697,510 |
| For the Six Months Ended June 30, 2017 |  | For the Six Months Ended June 30, 2016
| Third party revenues |  | Intersegment revenues, net |  | Corporate Items, net |  | Direct revenues |  | Third party revenues |  | Intersegment revenues, net |  | Corporate Items, net |  | Direct revenues
Technical Services | $ | 484,705 |  |  | $ | 80,045 |  |  | $ | 1,130 |  |  | $ | 565,880 |  |  | $ | 448,235 |  |  | $ | 70,422 |  |  | $ | 1,055 |  |  | $ | 519,712 |
Industrial and Field Services | 301,456 |  |  | (17,426 | ) |  | (29 | ) |  | 284,001 |  |  | 294,828 |  |  | (14,597 | ) |  | (316 | ) |  | 279,915 |
Safety-Kleen | 595,857 |  |  | (63,708 | ) |  | 1 |  |  | 532,150 |  |  | 524,676 |  |  | (57,613 | ) |  | 367 |  |  | 467,430 |
Oil, Gas and Lodging Services | 59,377 |  |  | 1,089 |  |  | 139 |  |  | 60,605 |  |  | 63,911 |  |  | 1,788 |  |  | 183 |  |  | 65,882 |
Corporate Items | 334 |  |  | — |  |  | (1,241 | ) |  | (907 | ) |  | 1,943 |  |  | — |  |  | (1,289 | ) |  | 654 |
Total | $ | 1,441,729 |  |  | $ | — |  |  | $ | — |  |  | $ | 1,441,729 |  |  | $ | 1,333,593 |  |  | $ | — |  |  | $ | — |  |  | $ | 1,333,593 |
Reconciliation to consolidated statements of income from adjusted EBITDA | The following table presents Adjusted EBITDA information used by management by reported segment (in thousands):
| For the Three Months Ended |  | For the Six Months Ended
| June 30, |  | June 30,
| 2017 |  | 2016 |  | 2017 |  | 2016
Adjusted EBITDA: |  |  |  |  |  |  |  |  |
Technical Services | $ | 73,080 |  |  | $ | 68,891 |  |  | $ | 131,567 |  |  | $ | 129,289 |
Industrial and Field Services | 21,484 |  |  | 19,960 |  |  | 23,397 |  |  | 20,393 |
Safety-Kleen | 60,281 |  |  | 55,234 |  |  | 112,649 |  |  | 95,289 |
Oil, Gas and Lodging Services | 268 |  |  | (1,199 | ) |  | 58 |  |  | 111 |
Corporate Items | (34,422 | ) |  | (32,441 | ) |  | (66,845 | ) |  | (67,317 | )
Total | $ | 120,691 |  |  | $ | 110,445 |  |  | $ | 200,826 |  |  | $ | 177,765 |
Reconciliation to Consolidated Statements of Operations: |  |  |  |  |  |  |  |  |
Accretion of environmental liabilities | 2,416 |  |  | 2,548 |  |  | 4,706 |  |  | 5,053 |
Depreciation and amortization | 71,531 |  |  | 73,393 |  |  | 143,943 |  |  | 142,295 |
Income from operations | 46,744 |  |  | 34,504 |  |  | 52,177 |  |  | 30,417 |
Other expense | 833 |  |  | 189 |  |  | 2,382 |  |  | 539 |
Loss on early extinguishment of debt | 6,045 |  |  | — |  |  | 6,045 |  |  | — |
Gain on sale of business | (31,722 | ) |  | — |  |  | (31,722 | ) |  | — |
Interest expense, net of interest income | 22,492 |  |  | 21,647 |  |  | 45,068 |  |  | 40,627 |
Income (loss) before provision for income taxes | $ | 49,096 |  |  | $ | 12,668 |  |  | $ | 30,404 |  |  | $ | (10,749 | )
PP&E, intangible assets and total assets by segment | The following table presents certain assets by reportable segment and in the aggregate (in thousands):
| June 30, 2017
| Technical Services |  | Industrial and Field Services |  | Safety-Kleen |  | Oil, Gas and Lodging Services |  | Corporate Items |  | Totals
Property, plant and equipment, net | $ | 512,058 |  |  | $ | 243,195 |  |  | $ | 590,282 |  |  | $ | 181,001 |  |  | $ | 75,917 |  |  | $ | 1,602,453 |
Goodwill | 59,973 |  |  | 108,583 |  |  | 304,263 |  |  | — |  |  | — |  |  | 472,819 |
Permits and other intangibles, net | 76,022 |  |  | 17,135 |  |  | 381,020 |  |  | 8,651 |  |  | — |  |  | 482,828 |
Total assets | $ | 851,852 |  |  | $ | 457,253 |  |  | $ | 1,477,660 |  |  | $ | 246,195 |  |  | $ | 773,322 |  |  | $ | 3,806,282 |
| December 31, 2016
| Technical Services |  | Industrial and Field Services |  | Safety-Kleen |  | Oil, Gas and Lodging Services |  | Corporate Items |  | Totals
Property, plant and equipment, net | $ | 521,134 |  |  | $ | 245,143 |  |  | $ | 584,647 |  |  | $ | 182,038 |  |  | $ | 78,865 |  |  | $ | 1,611,827 |
Goodwill | 61,116 |  |  | 107,968 |  |  | 296,070 |  |  | — |  |  | — |  |  | 465,154 |
Permits and other intangibles, net | 78,625 |  |  | 17,817 |  |  | 391,390 |  |  | 10,889 |  |  | — |  |  | 498,721 |
Total assets | $ | 862,957 |  |  | $ | 446,826 |  |  | $ | 1,474,755 |  |  | $ | 253,242 |  |  | $ | 644,140 |  |  | $ | 3,681,920 |
Total assets by geographical area | The following table presents total assets by geographical area (in thousands):
| June 30, 2017 |  | December 31, 2016
United States | $ | 3,088,199 |  |  | $ | 2,960,337 |
Canada | 718,083 |  |  | 721,583 |
Total | $ | 3,806,282 |  |  | $ | 3,681,920 |

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