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v3.23.3

SEGMENT REPORTING - Reconciliation to Consolidated Statements of Income to Adjusted EBITDA (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Mar. 31, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Segment Reporting Information [Line Items] |  |  |  |  |
Adjusted EBITDA | $ 255,017 |  | $ 308,555 | $ 757,661 | $ 797,884
Reconciliation to Consolidated Statements of Operations: |  |  |  |  |
Accretion of environmental liabilities | 3,388 |  | 3,246 | 10,281 | 9,599
Stock-based compensation | 4,291 |  | 7,828 | 14,809 | 20,375
Depreciation and amortization | 92,970 |  | 88,394 | 267,425 | 260,560
Income from operations | 154,368 |  | 209,087 | 465,146 | 507,350
Other (income) expense, net | (334) |  | (104) | 833 | (2,073)
Loss on early extinguishment of debt | 0 | $ 2,400 | 0 | 2,362 | 0
Gain on sale of business | 0 |  | 0 | 0 | (8,864)
Interest expense, net of interest income | 29,696 |  | 28,081 | 80,400 | 79,354
Income before provision for income taxes | 125,006 |  | 181,110 | 381,551 | 438,933
Operating Segments | Environmental Services |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Adjusted EBITDA | 288,982 |  | 260,687 | 822,949 | 713,630
Operating Segments | Safety-Kleen Sustainability Solutions |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Adjusted EBITDA | 31,146 |  | 103,156 | 126,024 | 252,043
Corporate |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Adjusted EBITDA | $ (65,111) |  | $ (55,288) | $ (191,312) | $ (167,789)

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