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Long-Term Debt - Long-term Debt Instruments (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Total debt	$ 2,811.7	$ 2,972.7
Current portion of long-term debt	17.0	75.9
Long-term debt	2,794.7	2,896.8
Unamortized debt issuance costs	42.8	51.7
Long-term debt, net	2,751.9	2,845.1
Term Loan A [Member]
Debt Instrument [Line Items]
Secured Debt	484.3	520.0
Term Loan B [Member]
Debt Instrument [Line Items]
Secured Debt	648.0	675.0
6.875% Notes [Member]
Debt Instrument [Line Items]
Unsecured Debt	400.0	400.0
6.50% Notes [Member]
Debt Instrument [Line Items]
Unsecured Debt	500.0	500.0
6.25% Notes Due 2026 [Member]
Debt Instrument [Line Items]
Unsecured Debt	127.6	180.0
5.00% Notes due 2029 [Member]
Debt Instrument [Line Items]
Unsecured Debt	$ 600.0	$ 600.0
Unsecured Debt [Member] \| 6.875% Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	6.875%	6.875%
Unsecured Debt [Member] \| 6.50% Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	6.50%	6.50%
Unsecured Debt [Member] \| 6.25% Notes Due 2026 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	6.25%	6.25%
Unsecured Debt [Member] \| 5.00% Notes due 2029 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	5.00%	5.00%	5.00%
Multi-Currency Credit Facility [Member]
Debt Instrument [Line Items]
Line of credit facility, amount outstanding	$ 0.0	$ 25.0
Foreign Credit Facilities and Other [Member]
Debt Instrument [Line Items]
Line of credit facility, amount outstanding	$ 51.8	$ 72.7