Earnings Per Share Data and Stock Based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 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	6,000	0	7,000	799,000
Compensation cost recognized			$ 70,586	$ 72,727
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation cost recognized, pre-tax charge	$ 8,100	$ 13,400	25,700	41,000
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	16,400	$ 12,900	$ 43,700	$ 30,700
Unrecognized compensation cost vesting period			2 years 6 months
Unvested Stock option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost related to unvested options and restricted stock	$ 174,400		$ 174,400
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			554,065
Weighted-average grant date fair value, per share			$ 178.25
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