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Asset Retirement Obligations (Tables)

12 Months Ended

Dec. 31, 2025

Asset Retirement Obligation Disclosure [Abstract]

Reconciliations of the Company's ARO liability

Reconciliations of the Company’s asset retirement obligations are as follows:

			December 31,
			2025						2024
			(Dollars in millions)
Balance at beginning of period			$	723.7					$	702.8
Liabilities settled			(51.2)						(51.7)
Accretion expense			54.6						51.4
Revisions to estimates			27.8						21.2
Balance at end of period			$	754.9					$	723.7
Less: Current portion (included in “Accounts payable and accrued expenses”)			62.1						55.9
Noncurrent obligation (included in “Asset retirement obligations, less current portion”)			$	692.8					$	667.8
Balance at end of period — active locations			$	567.6					$	507.9
Balance at end of period — closed or inactive locations			$	187.3					$	215.8

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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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