v3.26.1
SEGMENT REPORTING - Reconciliation to Consolidated Statements of Income to Adjusted EBITDA (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Reconciliation to Consolidated Statements of Operations:    
Corporate Costs $ 75,528 $ 67,989
Accretion of environmental liabilities 3,542 3,620
Stock-based compensation 9,578 7,635
Depreciation and amortization 115,799 111,980
Income from operations 118,935 111,619
Other expense, net 731 932
Interest expense, net of interest income 33,854 36,077
Income before provision for income taxes 84,350 74,610
Environmental Services    
Segment Reporting Information [Line Items]    
Total Reportable Segment Adjusted EBITDA 290,401 274,591
Safety-Kleen Sustainability Solutions    
Segment Reporting Information [Line Items]    
Total Reportable Segment Adjusted EBITDA 32,981 28,252
Operating Segments    
Segment Reporting Information [Line Items]    
Total Reportable Segment Adjusted EBITDA 323,382 302,843
Operating Segments | Environmental Services    
Segment Reporting Information [Line Items]    
Total Reportable Segment Adjusted EBITDA 290,401 274,591
Operating Segments | Safety-Kleen Sustainability Solutions    
Segment Reporting Information [Line Items]    
Total Reportable Segment Adjusted EBITDA $ 32,981 $ 28,252