Debt - Schedule of Carrying Amounts and Fair Values of Financial Instruments (Detail) - USD ($) $ in Millions |
Mar. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Carrying Amount [Member] | Senior Secured Credit Facilities | ||
| Financial liabilities: | ||
| Credit facility | $ 4,115.5 | $ 4,268.6 |
| Carrying Amount [Member] | 5.5% Senior Notes due 2027 | ||
| Financial liabilities: | ||
| Senior notes | 1,998.3 | 1,998.1 |
| Carrying Amount [Member] | 6.5% senior notes due 2032 | ||
| Financial liabilities: | ||
| Senior notes | 743.2 | 742.9 |
| Fair Value [Member] | Senior Secured Credit Facilities | ||
| Financial liabilities: | ||
| Credit facility | 4,145.0 | 4,315.6 |
| Fair Value [Member] | 5.5% Senior Notes due 2027 | ||
| Financial liabilities: | ||
| Credit facility | 1,988.0 | 1,984.2 |
| Fair Value [Member] | 6.5% senior notes due 2032 | ||
| Financial liabilities: | ||
| Credit facility | $ 759.7 | $ 758.0 |