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ACCRUED FINAL CAPPING, CLOSURE AND POST-CLOSURE COSTS (Tables)

9 Months Ended

Sep. 30, 2025

Asset Retirement Obligation Disclosure [Abstract]

Schedule of Changes to Accrued Capping, Closure and Post-Closure Liabilities

A summary of the changes to accrued final capping, closure and post-closure liabilities follows:

			Nine Months Ended September 30,
			2025						2024
Beginning balance			$	172,230					$	133,904
Obligations incurred			6,325						5,230
Revision in estimates (1)			—						8,477
Accretion expense			10,942						8,569
Obligations settled (2)			(5,960)						(6,545)
Ending balance			$	183,537					$	149,635

(1)Relates to the revision in estimates of the post-closure liability for the Town of Southbridge, Massachusetts landfill (“Southbridge Landfill”). See Note 11, Other Items and Charges for further disclosure.

(2)May include amounts that are being processed through accounts payable as a part of our disbursements cycle.

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- References

No definition available.

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- Definition

Tabular disclosure of the changes in carrying amount of a liability for asset retirement obligations, for changes such as new obligations, changes in estimates of existing obligations, spending on existing obligations, property dispositions, and foreign currency translation.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 410
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481850/410-20-50-1

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