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Earnings Per Share Data ("EPS") and Stock Based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Anti-dilutive weighted average stock options excluded from computation of earnings per share	5,600,000	4,200,000	5,600,000	4,400,000
Stock options granted during period			1,821,573
Weighted-average grant date fair value, per option			$ 45.67
Compensation cost recognized			$ 41,640	$ 37,031
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation cost recognized, pre-tax charge	$ 17,600	$ 15,500	32,800	30,200
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	4,700	$ 3,200	$ 8,100	$ 6,100
Unrecognized compensation cost vesting period			3 years
Unvested Stock option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost related to unvested options and restricted stock	$ 191,700		$ 191,700
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted shares and restricted units granted during period			248,684
Weighted-average grant date fair value, per share			$ 142.97
Performance Based Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted shares and restricted units granted during period			73,782