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Stock-Based Compensation - Narrative (Detail) - USD ($) shares in Thousands, $ in Millions |  |  | 12 Months Ended
--- | --- | --- | ---
Oct. 23, 2024 | Sep. 30, 2021 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Tax benefits recorded on stock based compensation |  |  | $ 60.7 | $ 22.1 | $ 25.5
Aggregate intrinsic value of options exercisable |  |  | $ 292.9 |  |
Weighted average remaining contractual term of options exercisable (in years) |  |  | 3 years 1 month 6 days |  |
Weighted-average remaining contractual life for options outstanding (in years) |  |  | 4 years 7 months 6 days |  |
Shares, granted (in shares) |  |  | 169 | 411 | 649
Share-based payment arrangement, plan modification, incremental cost | $ 10.3 |  |  |  |
Performance Option Grant |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Shares, granted (in shares) |  | 850 |  |  |
Restricted Stock And Restricted Stock Units |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Fair value of restricted stock and restricted stock units vested |  |  | $ 112.3 | $ 66.6 | $ 34.4
Common Stock |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Shares authorized to issue grants (in shares) |  |  | 20,650 |  |

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