Stockholders’ Equity - Schedule of the Company's Pre-tax Share-based Incentive Compensation Expense and Income Tax Benefit (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Equity [Abstract]
Total share-based incentive compensation expense	$ 33.0	$ 34.2	$ 52.3
Associated tax benefits recognized	$ 6.7	$ 7.5	$ 8.0