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Stock-Based Compensation (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 27, 2020 | Jun. 29, 2019 | Jun. 27, 2020 | Jun. 29, 2019
Share-based compensation expense and allocation by cost [Line Items] |  |  |  |
Stock-based compensation expense | $ 46,907 | $ 44,257 | $ 93,389 | $ 86,510
Cost of product and maintenance |  |  |  |
Share-based compensation expense and allocation by cost [Line Items] |  |  |  |
Stock-based compensation expense | 683 | 652 | 1,374 | 1,333
Cost of services |  |  |  |
Share-based compensation expense and allocation by cost [Line Items] |  |  |  |
Stock-based compensation expense | 869 | 829 | 1,749 | 1,695
Marketing and sales |  |  |  |
Share-based compensation expense and allocation by cost [Line Items] |  |  |  |
Stock-based compensation expense | 10,116 | 9,509 | 20,127 | 18,615
Research and development |  |  |  |
Share-based compensation expense and allocation by cost [Line Items] |  |  |  |
Stock-based compensation expense | 29,690 | 27,659 | 59,036 | 54,557
General and administrative |  |  |  |
Share-based compensation expense and allocation by cost [Line Items] |  |  |  |
Stock-based compensation expense | $ 5,549 | $ 5,608 | $ 11,103 | $ 10,310

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- Definition Amount of noncash expense for share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + Details
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