Segments - Schedule of Reconciliation of Segment Contribution Margin to Consolidated Net Income (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Segment Reporting Information [Line Items]
Depreciation and amortization	$ (666.6)	$ (314.9)	$ (310.5)
Goodwill impairment	0.0	0.0	(204.0)
Gain on sale of operating assets	0.0	19.0	0.0
Transaction related and other costs	(211.8)	(38.7)	(12.6)
Corporate/shared operating expenses	(1,972.5)	(579.9)	(771.9)
Amortization of non-cash rights-of-use assets	(2.1)	(3.4)	(3.0)
Severance costs	0.0	(1.6)	0.0
Insurance recovery	0.0	0.0	0.5
Stock-based compensation	(23.5)	(13.5)	(12.5)
Other income (expense), net	8.1	0.3	(18.4)
Loss on extinguishment of debt	(183.0)	0.0	(31.2)
Gain on settlement of preexisting relationships	1,683.9	0.0	0.0
Interest expense, net	(602.8)	(511.4)	(481.2)
Income tax benefit	136.5	17.5	68.5
Adjustments for equity in earnings from unconsolidated entities	0.0	0.0	(3.0)
Net income	1,304.7	93.4	(81.7)
Operating Segments
Segment Reporting Information [Line Items]
Total segment contribution margin	1,343.8	999.3	979.4
Corporate/shared operating expenses	(80.1)	0.0	0.0
Net income	1,304.7	93.4	(81.7)
Corporate
Segment Reporting Information [Line Items]
Corporate/shared operating expenses	$ (177.8)	$ (59.2)	$ (53.7)