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REVENUES (Tables) | 6 Months Ended
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Jun. 30, 2022
Revenue from Contract with Customer [Abstract] |
Schedule of Disaggregation of Revenue | The following tables present the Company's third-party revenue disaggregated by source of revenue and geography (in thousands):
|  | For the Three Months Ended June 30, 2022
|  | Environmental Services |  | Safety-Kleen Sustainability Solutions |  | Corporate |  | Total
Primary Geographical Markets |  |  |  |  |  |  |  |
United States |  | $ | 945,579 |  |  | $ | 236,879 |  |  | $ | 79 |  |  | $ | 1,182,537 |
Canada |  | 138,927 |  |  | 34,848 |  |  | — |  |  | 173,775 |
Total third-party revenues |  | $ | 1,084,506 |  |  | $ | 271,727 |  |  | $ | 79 |  |  | $ | 1,356,312 |
Sources of Revenue |  |  |  |  |  |  |  |
Technical Services |  | $ | 387,019 |  |  | $ | — |  |  | $ | — |  |  | $ | 387,019 |
Field and Emergency Response Services (1) |  | 144,860 |  |  | — |  |  | — |  |  | 144,860 |
Industrial Services and Other (2) |  | 360,870 |  |  | — |  |  | 79 |  |  | 360,949 |
Safety-Kleen Environmental Services |  | 191,757 |  |  | 49,381 |  |  | — |  |  | 241,138 |
Safety-Kleen Oil |  | — |  |  | 222,346 |  |  | — |  |  | 222,346 |
Total third-party revenues |  | $ | 1,084,506 |  |  | $ | 271,727 |  |  | $ | 79 |  |  | $ | 1,356,312 |
_____________ (1) Includes approximately $34.2 million of third-party revenues from the operations of the HydroChemPSC business (2) Includes approximately $173.7 million of third-party revenues from the operations of the HydroChemPSC business
|  | For the Three Months Ended June 30, 2021
|  | Environmental Services |  | Safety-Kleen Sustainability Solutions |  | Corporate |  | Total
Primary Geographical Markets |  |  |  |  |  |  |  |
United States |  | $ | 616,585 |  |  | $ | 180,216 |  |  | $ | 79 |  |  | $ | 796,880 |
Canada |  | 106,562 |  |  | 23,016 |  |  | — |  |  | 129,578 |
Total third-party revenues |  | $ | 723,147 |  |  | $ | 203,232 |  |  | $ | 79 |  |  | $ | 926,458 |
Sources of Revenue |  |  |  |  |  |  |  |
Technical Services |  | $ | 306,865 |  |  | $ | — |  |  | $ | — |  |  | $ | 306,865 |
Field and Emergency Response Services |  | 106,986 |  |  | — |  |  | — |  |  | 106,986 |
Industrial Services and Other |  | 150,367 |  |  | — |  |  | 79 |  |  | 150,446 |
Safety-Kleen Environmental Services |  | 158,929 |  |  | 40,453 |  |  | — |  |  | 199,382 |
Safety-Kleen Oil |  | — |  |  | 162,779 |  |  | — |  |  | 162,779 |
Total third-party revenues |  | $ | 723,147 |  |  | $ | 203,232 |  |  | $ | 79 |  |  | $ | 926,458 |
|  | For the Six Months Ended June 30, 2022
|  | Environmental Services |  | Safety-Kleen Sustainability Solutions |  | Corporate |  | Total
Primary Geographical Markets |  |  |  |  |  |  |  |
United States |  | $ | 1,780,257 |  |  | $ | 439,409 |  |  | $ | 151 |  |  | $ | 2,219,817 |
Canada |  | 245,047 |  |  | 60,557 |  |  | — |  |  | 305,604 |
Total third-party revenues |  | $ | 2,025,304 |  |  | $ | 499,966 |  |  | $ | 151 |  |  | $ | 2,525,421 |
Sources of Revenue |  |  |  |  |  |  |  |
Technical Services |  | $ | 710,675 |  |  | $ | — |  |  | $ | — |  |  | $ | 710,675 |
Field and Emergency Response Services (1) |  | 277,219 |  |  | — |  |  | — |  |  | 277,219 |
Industrial Services and Other (2) |  | 669,708 |  |  | — |  |  | 151 |  |  | 669,859 |
Safety-Kleen Environmental Services |  | 367,702 |  |  | 93,769 |  |  | — |  |  | 461,471 |
Safety-Kleen Oil |  | — |  |  | 406,197 |  |  | — |  |  | 406,197 |
Total third-party revenues |  | $ | 2,025,304 |  |  | $ | 499,966 |  |  | $ | 151 |  |  | $ | 2,525,421 |
_____________ (1) Includes approximately $62.2 million of third-party revenues from the operations of the HydroChemPSC business (2) Includes approximately $329.8 million of third-party revenues from the operations of the HydroChemPSC business
|  | For the Six Months Ended June 30, 2021
|  | Environmental Services |  | Safety-Kleen Sustainability Solutions |  | Corporate |  | Total
Primary Geographical Markets |  |  |  |  |  |  |  |
United States |  | $ | 1,192,093 |  |  | $ | 319,206 |  |  | $ | 158 |  |  | $ | 1,511,457 |
Canada |  | 183,932 |  |  | 39,217 |  |  | — |  |  | 223,149 |
Total third-party revenues |  | $ | 1,376,025 |  |  | $ | 358,423 |  |  | $ | 158 |  |  | $ | 1,734,606 |
Sources of Revenue |  |  |  |  |  |  |  |
Technical Services |  | $ | 578,905 |  |  | $ | — |  |  | $ | — |  |  | $ | 578,905 |
Field and Emergency Response Services |  | 212,154 |  |  | — |  |  | — |  |  | 212,154 |
Industrial Services and Other |  | 270,177 |  |  | — |  |  | 158 |  |  | 270,335 |
Safety-Kleen Environmental Services |  | 314,789 |  |  | 79,431 |  |  | — |  |  | 394,220 |
Safety-Kleen Oil |  | — |  |  | 278,992 |  |  | — |  |  | 278,992 |
Total third-party revenues |  | $ | 1,376,025 |  |  | $ | 358,423 |  |  | $ | 158 |  |  | $ | 1,734,606 |
Schedule of Contract Balances |
(in thousands) |  | June 30, 2022 |  | December 31, 2021
Receivables |  | $ | 1,005,488 |  |  | $ | 792,734 |
Contract assets (unbilled receivables) |  | 134,173 |  |  | 94,963 |
Contract liabilities (deferred revenue) |  | 94,531 |  |  | 83,749 |

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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130551-203045 + Details
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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130545-203045 + Details
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