Summary of Assets and Liabilities Measured at Fair Value on a Recurring Basis (Detail) - Fair Value Measurements, Recurring - USD ($) $ in Millions		Mar. 31, 2023	Dec. 31, 2022
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Interest rate swap assets	[1]	$ 16.6	$ 20.4
Level 2
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Interest rate swap assets	[1]	$ 16.6	$ 20.4

[1] See further discussion of interest rate swaps at Note 7.