Income Taxes - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2024 USD ($) state province	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Sep. 30, 2016 USD ($)
Operating Loss Carryforwards [Line Items]
Provision for (benefit from) income taxes	$ 124,000,000.0	$ 151,100,000	$ 161,300,000
Operating loss carryforwards				$ 135,300,000
Net operating loss carryforward utilized	100,000
Goodwill	2,094,700,000	$ 1,952,600,000	$ 1,916,300,000
Goodwill amortizable for income tax	1,020,000,000.00
Uncertain tax positions	$ 0
U.S.
Operating Loss Carryforwards [Line Items]
Number of states in which entity operates | state	50
Canada
Operating Loss Carryforwards [Line Items]
Number of provinces in which entity operates in | province	7