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Stock-Based Compensation Expense (Detail) | 3 Months Ended
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Mar. 29, 2020 USD ($) group $ / shares shares | Mar. 31, 2019 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Weighted-average grant-date fair values, in dollars per share | $ / shares | $ 18.46 | $ 18.59
Total intrinsic value | $ 14,454,000 | $ 22,579,000
Total fair values of stock options vest | $ 36,664,000 | $ 29,972,000
Vested (in shares) | shares |  | 0
Groups within the employee population | group | 2 |
Estimated annual forfeiture rate for unvested options for senior management | 7.00% |
Estimated annual forfeiture rate for unvested options for all other employees | 12.00% |
Increase (decrease) to compensation expense | $ 1,787,000 | $ 499,000
Unrecognized compensation expense | $ 72,823,000 |
Weighted average period to be recognized | 2 years 2 months 15 days |
Stock-based compensation expense | $ 14,790,000 | 12,281,000
Tax benefit from compensation expense | 2,564,000 | $ 2,222,000
Recognized period costs capitalized | $ 0 |
Employee Stock Option |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Shares available for grant under stock option plans | shares | 16,115,000 |
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 | $ 50.94 |
Vested (in shares) | shares | 0 |
Granted (in shares) | shares | 390,000 | 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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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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