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Stock-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2021
Share-based Payment Arrangement [Abstract] |
Summary of Stock Based Compensation Activity Related to Nonvested RSUs | The following table summarizes activity related to nonvested RSUs:
|  | Number of RSUs (In thousands) |  | Weighted Average Grant-Date Fair Value Per Share
Nonvested at December 31, 2020 |  | 733 |  |  |  | $ | 348.60 |  |
Granted |  | 612 |  |  |  | 341.76 |  |
Vested |  | (500) |  |  |  | 345.73 |  |
Forfeited |  | (35) |  |  |  | 344.81 |  |
Nonvested at December 31, 2021 |  | 810 |  |  |  | $ | 345.37 |  |

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- Definition Tabular disclosure of the change in restricted stock units (RSUs). + References No definition available. + Details
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