Income Taxes - Summary of Tax Expenses (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Tax Disclosure [Abstract]
Current Federal	$ (0.7)	$ 55.4	$ 132.3
Current State	6.1	2.8	18.5
Current foreign	17.3	11.6	18.3
Current Income Tax Expense (Benefit), Total	22.7	69.8	169.1
Deferred Federal	21.4	(8.6)	(80.3)
Deferred State	(16.6)	(10.9)	(25.2)
Deferred Foreign	5.3	8.6	(3.2)
Deferred Income Tax Expense (Benefit), Total	10.1	(10.9)	(108.7)
Income tax	$ 32.8	$ 58.9	$ 60.4