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v3.25.3

SEGMENT REPORTING - Adjusted EBITDA and Significant Segment Expense Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Segment Reporting Information [Line Items] |  |  |  |
Direct Revenues | $ 1,549,337 | $ 1,529,422 | $ 4,531,141 | $ 4,458,836
Cost of Revenues | 1,048,490 | 1,055,599 | 3,103,871 | 3,062,211
Selling, General and Administrative Expenses | 189,610 | 177,846 | 558,640 | 557,590
Total Reportable Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Direct Revenues | 1,549,337 | 1,529,326 | 4,530,955 | 4,458,539
Cost of Revenues | 1,030,032 | 1,045,534 | 3,068,850 | 3,037,458
Selling, General and Administrative Expenses | 121,139 | 110,064 | 346,589 | 341,787
Total Reportable Segment Adjusted EBITDA | 398,166 | 373,728 | 1,115,516 | 1,079,294
Environmental Services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Direct Revenues | 1,331,300 | 1,297,187 | 3,892,448 | 3,779,080
Cost of Revenues | 871,487 | 874,414 | 2,592,300 | 2,541,017
Selling, General and Administrative Expenses | 102,584 | 90,271 | 292,134 | 281,171
Total Reportable Segment Adjusted EBITDA | 357,229 | 332,502 | 1,008,014 | 956,892
Safety-Kleen Sustainability Solutions |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Direct Revenues | 218,037 | 232,139 | 638,507 | 679,459
Cost of Revenues | 158,545 | 171,120 | 476,550 | 496,441
Selling, General and Administrative Expenses | 18,555 | 19,793 | 54,455 | 60,616
Total Reportable Segment Adjusted EBITDA | $ 40,937 | $ 41,226 | $ 107,502 | $ 122,402

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