Earnings Per Share Data and Stock Based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Anti-dilutive weighted average stock options excluded from computation of earnings per share	7,500	1,100,000	7,500	1,200,000
Compensation cost recognized			$ 45,707	$ 46,162
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation cost recognized, pre-tax charge	$ 8,100	$ 13,300	17,500	27,700
Restricted Stock Awards, Restricted Stock Units and Performance Based Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation cost recognized, pre-tax charge	15,500	$ 12,800	$ 27,300	$ 17,900
Unrecognized compensation cost vesting period			2 years 8 months 12 days
Unvested Stock option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost related to unvested options and restricted stock	$ 202,600		$ 202,600
Restricted Stock | 2020 Stock Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted shares and restricted units, net of cancellations, granted during period			560,044
Weighted-average grant date fair value, per share			$ 178.19
Performance Based Restricted Stock Units | 2020 Stock Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted shares and restricted units, net of cancellations, granted during period			61,251