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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
	Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017
Schedule Of Share Based Compensation Arrangements [Line Items]
Share-based Payment Arrangement, Expensed and Capitalized, Amount	$ 39,200	$ 27,400	$ 17,200
Cost of goods sold
Schedule Of Share Based Compensation Arrangements [Line Items]
Stock-based compensation	445	334	351
Selling, general and administrative
Schedule Of Share Based Compensation Arrangements [Line Items]
Stock-based compensation	30,450	21,391	13,272
Research and development
Schedule Of Share Based Compensation Arrangements [Line Items]
Stock-based compensation	8,340	5,692	3,564
Employee Stock Option
Schedule Of Share Based Compensation Arrangements [Line Items]
Share-based Payment Arrangement, Expensed and Capitalized, Amount	$ 14,800	$ 13,800	$ 12,000

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Schedule Of Share Based Compensation Arrangements [Line Items]

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