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Stock-Based Compensation Expense (Details) | 3 Months Ended |
--- | --- | ---
Apr. 04, 2021 USD ($) group $ / shares shares | Mar. 29, 2020 USD ($) $ / shares shares | Dec. 31, 2020 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Weighted-average grant-date fair values, in dollars per share | $ / shares | $ 33.63 | $ 18.46 |
Total intrinsic value | $ 42,327,000 | $ 14,454,000 |
Total fair values of stock options vest | $ 35,600,000 | 36,664,000 |
Groups within the employee population | group | 2 |  |
Estimated annual forfeiture rate for unvested options for senior management | 8.00% |  |
Estimated annual forfeiture rate for unvested options for all other employees | 12.00% |  |
Increase (decrease) to compensation expense | $ 255,000 | 1,787,000 |
Unrecognized compensation expense | $ 69,821,000 |  |
Weighted average period to be recognized | 2 years |  |
Stock-based compensation expense | $ 12,009,000 | 14,790,000 |
Tax benefit from compensation expense | 1,813,000 | $ 2,564,000 |
Recognized period costs capitalized | $ 0 |  | $ 0
Employee Stock Option |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Shares available for grant under stock option plans (in shares) | shares | 15,650,000 |  |
Expiration period from grant day | 10 years |  |
Performance Shares |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Vesting period for stock option plans | 3 years |  |
Restricted Stock Units (RSUs) |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Granted (in dollars per share) | $ / shares | $ 89.86 | $ 50.94 |
Vested (in shares) | shares | 2,000 | 0 |
Minimum | General Stock Option Plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Vesting period for stock option plans | 4 years |  |
Maximum | General Stock Option Plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Vesting period for stock option plans | 5 years |  |

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