Debt and Interest Expense - Summary of Maturity Profile of Total Debt, Excluding Deferred Financing Costs and Discounts (Detail) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Total debt (excluding interest)	$ 3,237.5	$ 2,918.0
2024	12.5
2025	22.5
2026	832.5
2027	670.0
2028	550.0
2029 and thereafter	1,150.0
Fixed-Rate Senior Notes
Debt Instrument [Line Items]
Total debt (excluding interest)	2,500.0	2,500.0
2024	0.0
2025	0.0
2026	800.0
2027	0.0
2028	550.0
2029 and thereafter	1,150.0
Term Loan Facility
Debt Instrument [Line Items]
Total debt (excluding interest)	397.5
2024	12.5
2025	22.5
2026	32.5
2027	330.0
2028	0.0
2029 and thereafter	0.0
Revolving Credit Facility
Debt Instrument [Line Items]
Total debt (excluding interest)	340.0	$ 18.0
2024	0.0
2025	0.0
2026	0.0
2027	340.0
2028	0.0
2029 and thereafter	$ 0.0