v3.25.2
SEGMENT REPORTING - Reconciliation to Consolidated Statements of Income to Adjusted EBITDA (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Reconciliation to Consolidated Statements of Operations:        
Corporate Costs $ 78,270 $ 83,575 $ 146,259 $ 147,655
Accretion of environmental liabilities 3,591 3,304 7,211 6,521
Stock-based compensation 6,063 8,515 13,698 14,853
Depreciation and amortization 116,285 100,504 228,265 195,569
Income from operations 210,298 215,493 321,917 340,968
Other expense, net 603 167 1,535 1,308
Interest expense, net of interest income 37,106 36,449 73,183 64,988
Income before provision for income taxes 172,589 178,877 247,199 274,672
Environmental Services        
Segment Reporting Information [Line Items]        
Total Reportable Segment Adjusted EBITDA 376,194 359,915 650,785 624,390
Safety-Kleen Sustainability Solutions        
Segment Reporting Information [Line Items]        
Total Reportable Segment Adjusted EBITDA 38,313 51,476 66,565 81,176
Operating Segments        
Segment Reporting Information [Line Items]        
Total Reportable Segment Adjusted EBITDA 414,507 411,391 717,350 705,566
Operating Segments | Environmental Services        
Segment Reporting Information [Line Items]        
Total Reportable Segment Adjusted EBITDA 376,194 359,915 650,785 624,390
Operating Segments | Safety-Kleen Sustainability Solutions        
Segment Reporting Information [Line Items]        
Total Reportable Segment Adjusted EBITDA $ 38,313 $ 51,476 $ 66,565 $ 81,176