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Income Taxes - Reconciliation of U.S. Federal Statutory Tax Rate to Company's Effective Tax Rate (Detail) | 12 Months Ended
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Dec. 29, 2018 | Dec. 30, 2017 | Dec. 31, 2016
Income Tax Disclosure [Abstract] |  |  |
Statutory regular federal income tax rate | 21.00% | 35.00% | 35.00%
State provision, net of federal benefit | 0.70% | (0.60%) | 1.40%
Nondeductible executive compensation | 1.90% | 1.30% | 0.60%
Research and development tax credits | 1.40% | 2.20% | 0.50%
Foreign income taxed at different rates | (2.00%) | (3.40%) | (5.60%)
U.S. tax on foreign income, net | 0.70% | 0.00% | 0.00%
Impact of 2017 Tax Act | 0.10% | 18.80% | 0.00%
Withholding taxes on undistributed foreign earnings, net | (0.60%) | 3.50% | 0.00%
Excess stock based compensation | (9.40%) | (20.30%) | (2.90%)
Derecognition of uncertain tax position | (1.50%) | 0.00% | 0.00%
Other | 0.00% | (0.70%) | (0.20%)
Total | 9.50% | 32.80% | 28.20%

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