Stock-Based Compensation Plans (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Sep. 26, 2020	Sep. 28, 2019	Sep. 26, 2020	Sep. 28, 2019
Stock Based compensation expense
Share-based Payment Arrangement, Expense	$ 58,439	$ 49,822	$ 108,822	$ 92,575
Cost of Revenues [Member]
Stock Based compensation expense
Share-based Payment Arrangement, Expense	2,963	2,812	5,684	5,425
Research and Development [Member]
Stock Based compensation expense
Share-based Payment Arrangement, Expense	36,110	29,702	66,479	54,576
Selling, General and Administrative Expenses [Member]
Stock Based compensation expense
Share-based Payment Arrangement, Expense	$ 19,366	$ 17,308	$ 36,659	$ 32,574

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

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=120381028&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=120381028&loc=d3e5070-113901

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