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Stock-Based Compensation - Additional Information (Detail) - USD ($) | 1 Months Ended | 12 Months Ended |
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Jul. 31, 2023 | Jan. 31, 2023 | Jul. 31, 2022 | Jan. 31, 2022 | Jul. 31, 2021 | Jan. 31, 2021 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |
Allocated share-based compensation expense. |  |  |  |  |  |  | $ 57,682,000 | $ 48,228,000 | $ 45,643,000 |
Total shareholder return performance measurement period |  |  |  |  |  |  | 3 years |  |  |
Restricted stock unit awards granted |  |  |  |  |  |  | 728,000 | 660,000 | 447,000 |
Weighted average grant date fair value of restricted stock units granted |  |  |  |  |  |  | $ 105.05 | $ 108.74 | $ 115.51 |
Stock price |  |  |  |  |  |  | $ 104.15 | $ 112.12 | $ 113.48 |
Tax benefit from compensation expense |  |  |  |  |  |  | $ 10,397,000 | $ 11,493,000 | $ 14,389,000 |
Total unrecognized expense related to non-vested restricted stock unit awards and stock options |  |  |  |  |  |  | $ 73,700,000 |  |  |
Unrecognized expense related to non-vested restricted stock unit awards and stock options expected to be recognized over weighted average period, in years |  |  |  |  |  |  | 2 years 6 months |  |  |
Maximum percent of shares allowed to purchase |  |  |  |  |  |  | 10.00% |  |  |
Fair market value |  |  |  |  |  |  | $ 25,000 |  |  |
Maximum number of shares allowed to purchase |  |  |  |  |  |  | 6,000 |  |  |
Percentage of common stock price paid |  |  |  |  |  |  | 85.00% |  |  |
Common stock issued to employees | 200,000 | 200,000 | 200,000 | 200,000 | 100,000 | 100,000 |  |  |  |
Value of common stock issued to employees per share | $ 94.64 |  | $ 76.12 |  | $ 113.87 |  | $ 92.25 | $ 74.25 | $ 139 |
Number of shares available for grant |  |  |  |  |  |  | 4,353,000 | 5,062,000 | 5,713,000 | 6,123,000
Retirement Agreement [Member] |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |
Allocated share-based compensation expense. |  |  |  |  |  |  | $ 5,900,000 |  |  |
Employee Stock Option [Member] |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |
Cash received from employees, employee stock options exercises |  |  |  |  |  |  | 2,200,000 | $ 900,000 | $ 3,100,000 |
Tax benefit from compensation expense |  |  |  |  |  |  | $ 200,000 | $ 100,000 | $ 400,000 |
Percentage of common stock price paid |  |  |  |  |  |  | 100.00% |  |  |
Employee Stock Option [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |
Period of stock granted to employees and executive officers vest in equal installments |  |  |  |  |  |  | 7 years |  |  |
Employee Stock Option [Member] | Measurement Input, Expected Dividend Payment [Member] |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |
Estimated annual dividend amount per share |  |  |  |  |  |  | $ 0.44 |  | $ 0.4 |
Restricted Stock Units |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |
Restricted stock unit awards granted |  |  |  |  |  |  | 728,000 | 660,000 | 447,000 |
Restricted Stock Units | Employees |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |
Period of stock granted to employees and executive officers vest in equal installments |  |  |  |  |  |  | 4 years |  |  |
Percentage of awards vesting on the first anniversary of grant date |  |  |  |  |  |  | 100.00% |  |  |
Restricted Stock Units | Director |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |
Period of stock granted to employees and executive officers vest in equal installments |  |  |  |  |  |  | 1 year |  |  |
TSR Performance-Based Restricted Stock Units |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |
Total shareholder return performance measurement period |  |  |  |  |  |  | 3 years |  |  |
Minimum years of service for retirement to be eligible for PRSUs |  |  |  |  |  |  | 10 years |  |  |
Restricted stock unit awards granted |  |  |  |  |  |  | 100,000 | 100,000 | 100,000 |
Weighted average grant date fair value of restricted stock units granted |  |  |  |  |  |  | $ 139.04 | $ 101.06 | $ 125.02 |
Stock price |  |  |  |  |  |  | 104.12 | 112.12 | 113.48 |
TSR Performance-Based Restricted Stock Units | Measurement Input, Expected Dividend Payment [Member] |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |
Estimated annual dividend amount per share |  |  |  |  |  |  | $ 0.44 | $ 0.44 | $ 0.4 |
TSR Performance-Based Restricted Stock Units | Share-based Compensation Award, Tranche One |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |
Percentage of vesting of target shares upon performance achieved |  |  |  |  |  |  | 0.00% |  |  |
TSR Performance-Based Restricted Stock Units | Share-based Compensation Award, Tranche Two |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |
Percentage of vesting of target shares upon performance achieved |  |  |  |  |  |  | 200.00% |  |  |
Employee Stock Purchase Plan |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |
Number of shares available for grant |  |  |  |  |  |  | 3,500,000 |  |  |
Employee Stock Purchase Plan | Minimum [Member] |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |
Period of stock granted to employees and executive officers vest in equal installments |  |  |  |  |  |  | 4 years |  |  |
PBIT Performance-Based Restricted Stock Units |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |
Restricted stock unit awards granted |  |  |  |  |  |  | 100,000 | 100,000 | 100,000 |
Weighted average grant date fair value of restricted stock units granted |  |  |  |  |  |  | $ 102.91 | $ 110.84 | $ 113.65 |
Service-Based Restricted Stock Units | Employees |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |
Restricted stock unit awards granted |  |  |  |  |  |  | 500,000 | 400,000 | 300,000 |
Weighted average grant date fair value of restricted stock units granted |  |  |  |  |  |  | $ 102.45 | $ 109.42 | $ 114.16 |
Service-Based Restricted Stock Units | Non Employees |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |
Weighted average grant date fair value of restricted stock units granted |  |  |  |  |  |  | $ 90.5 | $ 105.93 | $ 128.7 |
Service-Based Restricted Stock Units | Executive Officer |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |
Restricted stock unit awards granted |  |  |  |  |  |  | 100,000 | 100,000 | 100,000 |
TERService Based Stock Options | Non Employee Directors |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |
Restricted stock unit awards granted |  |  |  |  |  |  | 100,000 | 100,000 | 100,000 |
Service Based Stock Options | Executive Officer |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |
Weighted average grant date fair value of restricted stock units granted |  |  |  |  |  |  | $ 41.23 | $ 39.01 | $ 36.6 |

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