Debt and Interest Expense - Summary of Maturity Profile of Total Debt, Excluding Deferred Financing Costs and Discounts (Detail) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Total debt (excluding interest)	$ 3,500.0	$ 3,237.5
2025	22.5
2026	832.5
2027	345.0
2028	550.0
2029	600.0
2030	1,150.0
Fixed-Rate Senior Notes
Debt Instrument [Line Items]
Total debt (excluding interest)	3,100.0	2,500.0
2025	0.0
2026	800.0
2027	0.0
2028	550.0
2029	600.0
2030	1,150.0
Term Loan Facility
Debt Instrument [Line Items]
Total debt (excluding interest)	385.0
2025	22.5
2026	32.5
2027	330.0
2028	0.0
2029	0.0
2030	0.0
Revolving Credit Facility
Debt Instrument [Line Items]
Total debt (excluding interest)	15.0	$ 340.0
2025	0.0
2026	0.0
2027	15.0
2028	0.0
2029	0.0
2030	$ 0.0