Debt - Summary of Indebtedness (Details) - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025
Debt Instrument [Line Items]
Finance lease, Effective Interest Rate	6.936%	6.936%
Finance lease, Carrying Value	$ 27.6	$ 28.1
Total debt outstanding	4,326.8	4,469.9
Debt discounts and issuance costs	(43.7)	(46.9)
Current portion of long-term debt	(1.5)	(101.5)
Long-term debt	$ 4,281.6	$ 4,321.5
Senior Secured Notes
Debt Instrument [Line Items]
Effective Interest Rate	4.50%	4.50%
Carrying Value	$ 0.0	$ 100.0
Senior Secured Notes
Debt Instrument [Line Items]
Effective Interest Rate	3.875%	3.875%
Carrying Value	$ 900.0	$ 921.2
Senior Notes
Debt Instrument [Line Items]
Effective Interest Rate	4.875%	4.875%
Carrying Value	$ 900.0	$ 921.4
Revolving Credit Facility
Debt Instrument [Line Items]
Effective Interest Rate	6.418%	6.466%
Carrying Value	$ 0.0	$ 0.0
Term Loan Facility (Tranche 1)
Debt Instrument [Line Items]
Effective Interest Rate	6.418%	6.466%
Carrying Value	$ 1,999.2	$ 1,999.2
Term Loan Facility (Tranche 2)
Debt Instrument [Line Items]
Effective Interest Rate	6.918%	6.966%
Carrying Value	$ 500.0	$ 500.0

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Amount of unamortized debt discount (premium) and debt issuance costs.

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Present value of lessee's discounted obligation for lease payments from finance lease.

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