Long-term Debt - Debt Summary (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Jul. 01, 2021	Feb. 28, 2021	May 31, 2020	Jan. 19, 2017
Debt Instrument [Line Items]
Principal	$ 2,797.8	$ 2,817.8
Less: Current maturities of long-term debt	(47.6)	(56.2)
Less: Debt discounts	(3.9)	(4.6)
Less: Debt issuance costs	(28.3)	(35.7)
Long-term debt, net of current maturities, debt discount, and debt issuance costs	2,718.0	2,721.3
Secured credit facility | Amended Revolving Credit Facility due 2027
Debt Instrument [Line Items]
Principal	0.0	0.0
Secured credit facility | Amended Term Loan A Facility due 2027
Debt Instrument [Line Items]
Principal	508.8	536.2
Secured credit facility | Amended Term Loan B Facility due 2029
Debt Instrument [Line Items]
Principal	$ 985.0	995.0
Senior notes | 5.625% Notes due 2027
Debt Instrument [Line Items]
Interest rate	5.625%					5.625%
Principal	$ 400.0	400.0
Senior notes | 4.125% Notes due 2029
Debt Instrument [Line Items]
Interest rate	4.125%		4.125%
Principal	$ 400.0	400.0
Convertible Notes | 2.75% Convertible Notes due 2026
Debt Instrument [Line Items]
Interest rate	2.75%				2.75%
Principal	$ 330.5	330.5
Other long-term obligations
Debt Instrument [Line Items]
Interest rate				27.00%
Principal	$ 173.5	$ 156.1