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REMEDIAL LIABILITIES
 9 Months Ended
Sep. 30, 2025
Environmental Remediation Obligations [Abstract]  
REMEDIAL LIABILITIES REMEDIAL LIABILITIES 
The changes to remedial liabilities from January 1, 2025 through September 30, 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)
Accretion70 1,763 1,026 2,859 
Changes in estimates recorded to consolidated statement of operations(72)76 (9,781)(9,777)
Expenditures(35)(3,082)(4,377)(7,494)
Currency translation and other— 86 (12)74 
Balance at September 30, 2025$1,911 $55,879 $39,527 $97,317 
    In the nine months ended September 30, 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 the evaluation of available evidence.