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Stock-Based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of shares available for grant | 6,000 |  |
Stock-based compensation related to the retirement of senior executives | $ 44,709 | $ 36,868 | $ 42,564
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 | 800 |  |
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 | $ 14,000 | 11,000 | 31,000
Proceeds from stock plans | 21,000 | $ 18,000 | $ 32,000
Intrinsic value of options outstanding | $ 51,000 |  |
Weighted-average remaining contractual term of options exercisable | 5 years 3 months 18 days |  |
Intrinsic value of options exercisable | $ 33,000 |  |
Number of options exercisable | 275 | 300 | 300
Weighted-average exercise price of exercisable options | $ 251.63 | $ 223.37 | $ 188.21
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 | $ 50,000 |  |
Weighted-average exercise price of outstanding options which are vested and expected to vest | $ 283.2 |  |
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 | $ 25,000 |  |
Employee Stock [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Stock-based compensation costs | 1,000 | $ 1,000 | $ 1,000
Restricted Stock Unit Plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Stock-based compensation costs | $ 22,000 | $ 19,000 | 19,000
Options Vested and Expected to Vest [Abstract] |  |  |
Weighted-average period of recognition for unrecognized compensation costs on nonvested awards | 3 years 3 months 18 days |  |
Unvested Awards Roll Forward |  |  |
Shares granted | 121 |  |
Weighted-average grant date fair value of shares granted | $ 331.19 |  |
Unvested shares at end of period | 261 | 235 |
Unrecognized compensation costs on unvested awards | $ 60,000 |  |
Performance Stock Unit Plan [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Stock-based compensation costs | $ 9,000 | $ 5,000 | $ 13,000
Options Vested and Expected to Vest [Abstract] |  |  |
Weighted-average period of recognition for unrecognized compensation costs on nonvested awards | 1 year 10 months 24 days |  |
Unvested Awards Roll Forward |  |  |
Shares granted | 43 | 45 | 40
Weighted-average grant date fair value of shares granted | $ 340.2 |  |
Unvested shares at end of period | 110 | 108 |
Unrecognized compensation costs on unvested awards | $ 15,000 |  |
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 | 3 | 3
Weighted-average grant date fair value of shares granted | $ 329 | $ 341.04 | $ 363.44
Unvested shares at end of period | 3 |  |
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 2 months 12 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 | $ 11,000 | $ 10,000 | $ 8,000

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- Definition Amount of cost expensed and capitalized for award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (h)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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