Lease Accounting - Schedule of Aggregate Lease Costs by Lease Classification (Parenthetical) (Detail) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2025	Mar. 31, 2024
Lease Cost [Line Items]
Lease payments		$ 67.2	$ 68.5
Equipment | Utilities and Other
Lease Cost [Line Items]
Short term lease payments		0.8	0.7
Real Estate | Facility Lease Expense
Lease Cost [Line Items]
Variable lease payments	[1]	12.7	12.2
Lease payments		$ 0.4	$ 0.3

[1] Represents lease payments that are based on a change in index, such as CPI or inflation, variable payments based on revenue or attendance and variable common area maintenance costs.