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Stock-Based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	May 14, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options exercise prices as percentage of the market value on the date of the grant	100.00%
Total intrinsic value of stock options exercised	$ 24.5	$ 32.2	$ 67.8
Total aggregate intrinsic value of stock options	68.7
Total aggregate intrinsic value of stock option exercisable	$ 54.5
Grant date fair value of stock options granted	$ 49.62	$ 45.27	$ 32.3
Compensation expenses for stock options	$ 4.7	$ 5.4	$ 3.8
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options vesting period	3 years
Stock options term, years	10 years
Unrecognized compensation expense related to stock	$ 2.0
Weighted-average recognition period for unrecognized compensation expense related to stock (years)	1 year 10 months 24 days
Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense related to stock	$ 83.9
Weighted-average recognition period for unrecognized compensation expense related to stock (years)	1 year 3 months 18 days
Compensation expense	$ 88.1	80.4	52.1
Total fair value of shares, vested	$ 120.7	120.0	109.5
Omnibus Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation, common stock available for grant	4,300,000
Omnibus Plan [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation, common stock available for grant				19,000,000
LTIP [Member] \| Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Eligible age of officer for restricted stock award	55 years
AIP [Member] \| Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Eligible age of officer for restricted stock award	55 years
Additional common stock units for election of deferred annual incentive award, percentage	25.00%
AIP and LTIP [Member] \| Restricted Stock Awards and Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense related to stock	$ 7.5
Weighted-average recognition period for unrecognized compensation expense related to stock (years)	1 year 7 months 6 days
Compensation expense	$ 37.8	51.0	79.9
Total fair value of shares, vested	$ 68.8	$ 45.9	$ 19.6
Inactive Plans [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares reserved for future issuance	100,000