CLOSURE AND POST-CLOSURE LIABILITIES - Changes in Post-Closure Liabilities (Details) $ in Thousands	3 Months Ended
Mar. 31, 2025 USD ($)
Changes to post-closure liabilities
Beginning balance	$ 129,788
Measurement period adjustments from prior period acquisitions	420
New asset retirement obligations	899
Accretion	2,571
Changes in estimates recorded to consolidated statement of operations	643
Changes in estimates recorded to consolidated balance sheet	98
Expenditures	(259)
Currency translation and other	9
Ending balance	134,169
Landfill Retirement Liability
Changes to post-closure liabilities
Beginning balance	59,400
Measurement period adjustments from prior period acquisitions	0
New asset retirement obligations	899
Accretion	1,230
Changes in estimates recorded to consolidated statement of operations	273
Changes in estimates recorded to consolidated balance sheet	0
Expenditures	(156)
Currency translation and other	5
Ending balance	61,651
Non-Landfill Retirement Liability
Changes to post-closure liabilities
Beginning balance	70,388
Measurement period adjustments from prior period acquisitions	420
New asset retirement obligations	0
Accretion	1,341
Changes in estimates recorded to consolidated statement of operations	370
Changes in estimates recorded to consolidated balance sheet	98
Expenditures	(103)
Currency translation and other	4
Ending balance	$ 72,518

Asset Retirement Obligation Changes Recorded in Balance Sheet

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- Definition

The amount of change in the asset retirement obligation, during the current period, for changes in estimates recorded in the statement of income.

+ References

No definition available.

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- Definition

Asset Retirement Obligation, Measurement Period Adjustments From Prior Period Acquisitions

+ References

No definition available.

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- Definition

Asset Retirement Obligation, Payments

+ References

No definition available.

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- Definition

The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 410
-SubTopic 20
-Name Accounting Standards Codification
-Section 25
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481999/410-20-25-4

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-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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- Definition

Amount of accretion expense recognized during the period that is associated with an asset retirement obligation. Accretion expense measures and incorporates changes due to the passage of time into the carrying amount of the liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 410
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481879/410-20-45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 410
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)(3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481850/410-20-50-1

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- Definition

Amount of foreign currency translation gain (loss) which decreases (increases) asset retirement obligations.

+ 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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- Definition

Amount of asset retirement obligations incurred during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 410
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481850/410-20-50-1

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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