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Stock-Based Compensation - Total Share-Based Compensation Expense Included in Consolidated Statements of Comprehensive Income (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Jan. 02, 2021 | Dec. 28, 2019 | Dec. 29, 2018
Schedule Of Share Based Compensation Arrangements [Line Items] |  |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount | $ 42,200 | $ 39,200 | $ 27,400
Cost of goods sold |  |  |
Schedule Of Share Based Compensation Arrangements [Line Items] |  |  |
Stock-based compensation | 714 | 445 | 334
Selling, general and administrative |  |  |
Schedule Of Share Based Compensation Arrangements [Line Items] |  |  |
Stock-based compensation | 31,462 | 30,450 | 21,391
Research and development |  |  |
Schedule Of Share Based Compensation Arrangements [Line Items] |  |  |
Stock-based compensation | 10,049 | 8,340 | 5,692
Employee Stock Option |  |  |
Schedule Of Share Based Compensation Arrangements [Line Items] |  |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount | $ 16,100 | $ 14,800 | $ 13,800

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