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Stock Plans - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 15, 2019 | Jul. 31, 2017 | May 31, 2017 | Jan. 02, 2021 | Dec. 28, 2019 | Dec. 29, 2018 | Dec. 30, 2017 | Dec. 31, 2016
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |
Fully vested option to purchase shares of common stock |  |  |  | 0 | 0 |  |  |
Share-based compensation expense |  |  |  | $ 55,013 | $ 20,471 | $ 20,188 |  |
Total income tax benefit recognized for all share-based compensation awards |  |  |  | 10,915 | 2,141 | 4,007 |  |
Tax benefits realized from options exercised and RSUs and PSUs vested |  |  |  | 8,426 | $ 2,840 | $ 30,268 |  |
Compensation costs capitalized |  |  |  | 0 |  |  |  |
Total unrecognized compensation cost related to inducement option, stock options, RSUs and PSUs granted |  |  |  | $ 34,462 |  |  |  |
Compensation expense recognition period |  |  |  | 1 year 4 months 24 days |  |  |  |
Options outstanding, exercise price, lower range |  |  |  | $ 3.97 | $ 3.97 | $ 3.97 |  |
Options outstanding, exercise price, upper range |  |  |  | $ 63.59 | $ 63.59 | $ 63.59 |  |
Total intrinsic value of vesting options exercised |  |  |  | $ 24,841 | $ 1,105 | $ 105,647 |  |
Cash received from options exercised |  |  |  | $ 8,176 | $ 1,076 | $ 33,385 |  |
Stock Option |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |
Expected term |  |  |  | 7 years |  |  |  |
Restricted Stock Units |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |
Expected term |  |  |  | 7 years |  |  |  |
Granted |  |  |  | $ 19.40 | $ 19.09 | $ 63.91 |  |
Other than options, total fair value |  |  |  | $ 15,015 | $ 12,268 | $ 8,484 |  |
Other than options, granted |  |  |  | 1,223,000 |  |  |  |
Vested |  |  |  | 495,000 |  |  |  |
Vested |  |  |  | $ 30.39 |  |  |  |
Performance-based Stock Unit |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |
Granted |  |  |  | $ 28.09 | $ 17.51 | $ 80.18 |  |
Other than options, total fair value |  |  |  | $ 3,443 | $ 2,891 |  |  |
Other than options, granted |  | 47,900 | 98,500 |  | 280,100 | 81,300 |  | 289,900
Performance period (years) |  |  |  |  |  |  | 3 years |
Applicable achievement percentage |  |  |  |  |  | 166.67% | 166.67% |
Vested |  |  |  | 122,600 | 219,300 | 0 |  |
Net debt to EBITDA ratio |  |  |  |  |  |  |  | 450.00%
Debt ratio achievement percentage |  |  |  |  |  |  |  | 166.67%
Vested |  |  |  | $ 28.09 | $ 17.51 | $ 80.18 |  |
Minimum |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |
Expected term |  |  |  | 5 years 10 months 24 days |  |  |  |
Minimum | Stock Option |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |
Restricted stock units, vesting period |  |  |  | 2 years | 2 years | 2 years |  |
Stock option awards, expiration period |  |  |  | 7 years |  |  |  |
Minimum | Restricted Stock Units |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |
Restricted stock units, vesting period |  |  |  | 2 years |  |  |  |
Maximum |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |
Expected term |  |  |  | 6 years 6 months |  |  |  |
Maximum | Stock Option |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |
Restricted stock units, vesting period |  |  |  | 4 years | 4 years | 4 years |  |
Stock option awards, expiration period |  |  |  | 10 years |  |  |  |
Maximum | Restricted Stock Units |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |
Restricted stock units, vesting period |  |  |  | 4 years |  |  |  |
Ms Winfrey |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |
Fully vested option to purchase shares of common stock | 3,276,000 |  |  | 3,874,000 |  |  |  |
Share-based compensation expense |  |  |  | $ 55,013 | $ 20,471 | $ 20,188 |  |
Weighted-average grant-date fair value of vesting options granted |  |  |  | $ 9.98 | $ 0.00 | $ 0.00 |  |
Stock Incentive Plan 2014 |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |
Common stocks to be purchased through options |  |  |  | 8,500,000 |  |  |  |
Share based compensation, fully-vested shares granted |  |  |  | 31,000 | 29,000 | 11,000 |  |
Share based compensation, value of fully-vested shares granted |  |  |  | $ 688 | $ 756 | $ 754 |  |

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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=120381028&loc=d3e5070-113901 + Details
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