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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
	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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Schedule Of Share Based Compensation Arrangements [Line Items]

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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