Share-Based Compensation Plans - Additional Information (Detail) $ / shares in Units, $ in Millions	12 Months Ended
Dec. 31, 2023 USD ($) StockPlan $ / shares shares	Dec. 31, 2022 USD ($) $ / shares	Dec. 31, 2021 USD ($) $ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock option compensation	$ 8.0	$ 6.7	$ 4.4
Total compensation cost related to non-vested stock options not yet recognized	$ 21.3
Expected compensation cost recognized over the weighted-average period	1 year 8 months 12 days
Accrued liabilities	$ 185.9	202.9
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested, Weighted Average Grant Date Fair Value \| $ / shares	$ 66.6
Share-Based Payment Arrangement, Expense, after Tax	$ 0.3	0.7
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration term for stock granted	10 years
Aggregate number of shares of common stock reserved for issuance which can be granted \| shares	2,550,000
Number of stock option plans \| StockPlan	2
Stock option compensation	$ 8.0	6.7	4.4
Current tax benefit related to stock option compensation			1.3
Employee Stock Option \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of stock vesting period	2 years
Employee Stock Option \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of stock vesting period	5 years
Stock Equivalent Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration term for stock granted	10 years
Total intrinsic value exercised	$ 27.9	18.1
Accrued liabilities	23.2
Compensation cost	$ 13.5	$ 24.2	$ 3.1
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested, Weighted Average Grant Date Fair Value \| $ / shares	$ 94.4	$ 60.2	$ 84.8
Total intrinsic value of options outstanding	$ 69.1
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value	4.6
ProceedsFromStockOptionsExercised	16.8	$ 15.0
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested in Period, Fair Value	$ 14.0	$ 13.0
Stock Equivalent Units [Member] \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of stock vesting period	6 months
Stock Equivalent Units [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of stock vesting period	5 years

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