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REMEDIAL LIABILITIES
 3 Months Ended
Mar. 31, 2025
Environmental Remediation Obligations [Abstract]  
REMEDIAL LIABILITIES REMEDIAL LIABILITIES 
The changes to remedial liabilities from January 1, 2025 through March 31, 2025 were as follows (in thousands):
Remedial
Liabilities for
Landfill Sites		Remedial
Liabilities for
Inactive Sites		Remedial
Liabilities
(Including
Superfund) for
Non-Landfill
Operations		Total
Balance at January 1, 2025$1,948 $57,036 $52,761 $111,745 
Measurement period adjustment from a prior period acquisition— — (90)(90)
Accretion23 587 439 1,049 
Changes in estimates recorded to consolidated statement of operations— 51 (10,557)(10,506)
Expenditures(11)(749)(1,572)(2,332)
Currency translation and other— 67 (58)9 
Balance at March 31, 2025$1,960 $56,992 $40,923 $99,875 
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
In the three months ended March 31, 2025, the Company decreased its remedial liability for a site by approximately $10 million due to its conclusion that loss was no longer probable based on recent evaluation of available evidence.