Asset Retirement Obligations (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]
Balance at beginning of period	$ 750.0	$ 719.8
Liabilities settled	(60.4)	(51.7)
Accretion expense	61.3	56.2
Revisions to estimates	(48.1)	25.7
Balance at end of period	702.8	750.0
Less: Current portion (included in “Accounts payable and accrued expenses”)	54.2	84.2
Asset retirement obligations, less current portion	648.6	665.8
Balance at end of period — active locations	541.3	557.9
Balance at end of period — closed or inactive locations	$ 161.5	$ 192.1