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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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Dec. 29, 2018 | Dec. 30, 2017 | Dec. 31, 2016
Schedule Of Share Based Compensation Arrangements [Line Items] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost | $ 27,400 | $ 17,200 | $ 12,500
Cost of goods sold |  |  |
Schedule Of Share Based Compensation Arrangements [Line Items] |  |  |
Stock-based compensation | 334 | 351 | 355
Selling, general and administrative |  |  |
Schedule Of Share Based Compensation Arrangements [Line Items] |  |  |
Stock-based compensation | 21,391 | 13,272 | 9,443
Research and development |  |  |
Schedule Of Share Based Compensation Arrangements [Line Items] |  |  |
Stock-based compensation | 5,692 | 3,564 | 2,705
Employee Stock Option |  |  |
Schedule Of Share Based Compensation Arrangements [Line Items] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost | $ 13,800 | $ 12,000 | $ 12,200

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- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5047-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Amount of capitalized and expensed compensation cost from equity-based compensation arrangements. + 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 (h)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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