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Stock-Based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for grant	6,500
Stock-based compensation related to the retirement of senior executives	$ 42,564	$ 29,918	$ 36,865
Employee Stock Purchase Plan [Abstract]
Maximum contribution allowed under employee stock purchase plan as % of employee's earnings	15.00%
Total number of shares purchased under employee stock purchase plan	1,600
Plan period employee stock purchase plan, in months	3 months
Purchase price calculation for shares of stock under employee stock purchase plan	The purchase price for each share of stock is the lesser of 90% of the market price on the first day of the plan period or 100% of the market price on the last day of the plan period.
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Total intrinsic value of options exercised in the period	$ 31,000	43,000	45,000
Proceeds from stock plans	32,000	$ 46,000	$ 59,000
Intrinsic value of options outstanding	$ 62,000
Weighted-average remaining contractual term of options exercisable	4 years 9 months 18 days
Intrinsic value of options exercisable	$ 39,000
Number of options exercisable	250	300	500
Weighted-average exercise price of exercisable options	$ 188.21	$ 162.09		$ 154.16
Options Vested and Expected to Vest [Abstract]
Number of options outstanding which are vested and expected to vest	600
Aggregate intrinsic value of outstanding options which are vested and expect to vest	$ 62,000
Weighted-average exercise price of outstanding options which are vested and expected to vest	$ 237.99
Weighted-average remaining contractual term of outstanding options which are vested and expected to vest	6 years 8 months 12 days
Unrecognized compensation costs on unvested options	$ 23,000
Employee Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation costs	1,000	$ 1,000	$ 1,000
Maximum [Member]
Non-Employee Stock Purchase Plan Awards [Abstract]
Incremental stock-based compensation cost due to acceleration of awards			1,000
Restricted Stock Unit Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation costs	$ 19,000	$ 17,000	15,000
Options Vested and Expected to Vest [Abstract]
Weighted-average period of recognition for unrecognized compensation costs on nonvested awards	3 years 4 months 24 days
Unvested Awards Roll Forward
Shares granted	98
Weighted-average grant date fair value of shares granted	$ 322.99
Unvested shares at end of period	238	245
Unrecognized compensation costs on unvested awards	$ 47,000
Performance Stock Unit Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation costs	$ 13,000	$ 3,000	$ 6,000
Options Vested and Expected to Vest [Abstract]
Weighted-average period of recognition for unrecognized compensation costs on nonvested awards	1 year 9 months 18 days
Unvested Awards Roll Forward
Shares granted	40	41	58
Weighted-average grant date fair value of shares granted	$ 313.21
Unvested shares at end of period	111	87
Unrecognized compensation costs on unvested awards	$ 14,000
Performance Stock Unit Plan [Member] | Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting rights	0.00%
Performance Stock Unit Plan [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting rights	200.00%
Restricted Stock Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation costs	$ 1,000	$ 1,000	$ 1,000
Unvested Awards Roll Forward
Shares granted	3	4	6
Weighted-average grant date fair value of shares granted	$ 363.44	$ 256.28	$ 229.67
Unvested shares at end of period	2
Equity Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	5 years
Award expiration period	10 years
Options Vested and Expected to Vest [Abstract]
Weighted-average period of recognition for unrecognized compensation costs on nonvested awards	3 years 4 months 24 days
Employee Stock Purchase Plan of 2009 [Member] | Employee Stock [Member]
Employee Stock Purchase Plan [Abstract]
Total number of shares purchased under employee stock purchase plan	800
Share-Based Payment Arrangement, Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation related to the retirement of senior executives	$ 8,000	$ 7,000	$ 14,000

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