PURCHASED INTANGIBLE ASSETS - Carrying Value (Details) - USD ($) $ in Thousands	6 Months Ended
	Oct. 02, 2021	Apr. 03, 2021
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross (Excluding Goodwill)	$ 782,747	$ 782,747
Accumulated Amortization	(499,375)	(441,133)
Net Carrying Amount	$ 283,372	341,614
Weighted Average Remaining Useful Life	3 years 2 months 12 days
Existing technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 427,123	427,123
Accumulated Amortization	(309,548)	(277,071)
Net Carrying Amount	$ 117,575	150,052
Weighted Average Remaining Useful Life	1 year 9 months 18 days
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 240,024	240,024
Accumulated Amortization	(148,082)	(128,740)
Net Carrying Amount	$ 91,942	111,284
Weighted Average Remaining Useful Life	2 years 9 months 18 days
Trade name/Trademarks
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 115,600	115,600
Accumulated Amortization	(41,745)	(35,322)
Net Carrying Amount	$ 73,855	$ 80,278
Weighted Average Remaining Useful Life	5 years 9 months 18 days