GOODWILL AND PURCHASED INTANGIBLE ASSETS (Details) $ in Thousands	3 Months Ended			9 Months Ended	12 Months Ended
	Jun. 27, 2020 USD ($)	Mar. 28, 2020 USD ($) unit	Jun. 29, 2019 USD ($)	Dec. 28, 2019 unit	Mar. 28, 2020 USD ($)
Finite-Lived Intangible Assets [Line Items]
Number of Reporting Units | unit		4		1
Accumulated Amortization	$ (348,266)	$ (315,832)			$ (315,832)
Finite-Lived Intangible Assets, Net	$ 434,481	466,915			466,915
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	4 years 1 month 6 days
Total intangible assets	$ 782,747	782,747			782,747
Amortization of Intangible Assets	32,400		$ 45,300
Goodwill, Impairment Loss		483,700			323,088
Existing technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	427,123	427,123			427,123
Accumulated Amortization	(227,087)	(208,848)			(208,848)
Finite-Lived Intangible Assets, Net	$ 200,036	218,275			218,275
Weighted Average Remaining Useful Life	3 years 1 month 6 days
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 240,024	240,024			240,024
Accumulated Amortization	(95,490)	(84,506)			(84,506)
Finite-Lived Intangible Assets, Net	$ 144,534	155,518			155,518
Weighted Average Remaining Useful Life	3 years 9 months 18 days
Trade name/Trademarks
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 115,600	115,600			115,600
Accumulated Amortization	(25,689)	(22,478)			(22,478)
Finite-Lived Intangible Assets, Net	$ 89,911	$ 93,122			$ 93,122
Weighted Average Remaining Useful Life	7 years