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REMEDIAL LIABILITIES
 3 Months Ended
Mar. 31, 2024
Environmental Remediation Obligations [Abstract]  
REMEDIAL LIABILITIES REMEDIAL LIABILITIES 
The changes to remedial liabilities from January 1, 2024 through March 31, 2024 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, 2024$1,880 $60,277 $49,086 $111,243 
Accretion22 521 382 925 
Changes in estimates recorded to consolidated statement of operations5 75 779 859 
Expenditures(13)(831)(2,094)(2,938)
Currency translation and other— (13)(290)(303)
Balance at March 31, 2024$1,894 $60,029 $47,863 $109,786 
In the three months ended March 31, 2024, there were no significant benefits or charges resulting from changes in estimates for remedial liabilities.