Stock-Based Compensation - Summary of Restricted Stock Unit and PSU Activity (Parenthetical) (Detail) - USD ($) $ in Millions		12 Months Ended
	Nov. 23, 2020	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Allocated Share Based Compensation Expense		$ (22.9)	$ 129.8	$ 94.9
Performance-Based Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Restricted shares of common stock issued		50,500
Performance-Based Restricted Stock Units [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Units that could be delivered upon settlement of PSUs based upon relative TSR over applicable performance periods		23,715
Market-Based Restricted Stock Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Restricted shares of common stock issued	1,610,000	187,200
Allocated Share Based Compensation Expense	$ 117.5	$ 117.5