INCOME TAXES (Details) - USD ($)	12 Months Ended
	Apr. 03, 2021	Mar. 28, 2020	Mar. 30, 2019	Apr. 03, 2021	Mar. 28, 2020
Current:
Federal	$ (1,895,000)	$ 15,794,000	$ (1,199,000)
State	1,780,000	2,310,000	2,550,000
Foreign	13,740,000	9,526,000	(1,550,000)
Total current provision for income taxes	13,625,000	27,630,000	(199,000)
Deferred:
Federal	0	(12,899,000)	(37,577,000)
State	0	(768,000)	(4,160,000)
Foreign	(21,174,000)	(83,364,000)	(8,195,000)
Total deferred benefit for income taxes	(21,174,000)	(97,031,000)	(49,932,000)
Income tax benefit	(7,549,000)	(69,401,000)	(50,131,000)
Components of income before income taxes
United States	(137,433,000)	(756,095,000)	(179,387,000)
Foreign	72,553,000	(140,488,000)	(6,305,000)
Loss before income taxes	(64,880,000)	(896,583,000)	(185,692,000)
Reconciliation between statutory federal income taxes and income tax expense
Tax benefit at statutory rate	(13,625,000)	(188,282,000)	(38,995,000)
Foreign operations taxed at different rates	(11,709,000)	2,497,000	(4,965,000)
State taxes, net of federal benefit	(5,077,000)	(14,326,000)	(1,610,000)
Research and development credit	(9,725,000)	(6,498,000)	(4,288,000)
US tax on foreign earnings	11,274,000	10,889,000	4,398,000
Impact of Tax Act	0	0	(3,728,000)
Goodwill impairment	0	101,604,000	0
Stock-based compensation	6,751,000	7,369,000	(1,196,000)
Internal restructuring related benefit	0	(65,069,000)	0
Valuation allowance change	23,928,000	68,486,000	0
Altera accrual	0	9,467,000	0
Tax rate change	(12,418,000)	0	0
Nondeductible compensation	1,209,000	1,187,000	1,611,000
Provision to return	2,707,000	1,717,000	0
Other, net	(864,000)	1,558,000	(1,358,000)
Income tax benefit	(7,549,000)	(69,401,000)	(50,131,000)
Components of Deferred Tax Assets
Accruals and other reserves				$ 36,503,000	$ 29,788,000
Deferred compensation				3,717,000	277,000
Net operating loss carry forward				10,923,000	11,810,000
Stock-based compensation				9,939,000	10,867,000
Interest expense				23,000	10,676,000
Tax credits				13,858,000	12,437,000
Capitalized R&D costs				54,725,000	41,123,000
Intangible assets				101,362,000	94,809,000
Other deferred tax assets				4,610,000	3,826,000
Unearned revenue				9,043,000	6,521,000
Property, plant, and equipment depreciation				1,045,000	818,000
Total deferred tax assets, before valuation allowance				245,748,000	222,952,000
Valuation allowance				101,740,000	81,436,000
Total deferred tax assets, net				144,008,000	141,516,000
Components of Deferred Tax Liabilities
Deferred gains on sales of properties				(1,137,000)	(1,128,000)
Deferred Tax Liabilities, Intangible Assets				(42,255,000)	(55,586,000)
Unremitted earnings of certain subsidiaries				(889,000)	(7,123,000)
Right of use assets				(5,623,000)	(5,316,000)
Total deferred tax liabilities				49,904,000	69,153,000
Net deferred tax assets				$ 94,104,000	72,363,000
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance at beginning of period	152,307,000	26,458,000	12,612,000
Increase (decrease) of unrecognized tax benefits related to prior fiscal years	8,827,000	11,226,000	254,000
Unrecognized Tax Benefits, Increase Resulting from Acquisition	0	89,000	13,329,000
Increase of unrecognized tax benefits related to the current year	0	115,824,000	2,069,000
Reductions to unrecognized tax benefits related to settlements with taxing authorities	(9,668,000)	(995,000)	0
Reductions to unrecognized tax benefits related to lapse of applicable statute of limitations	(2,000,000)	(295,000)	(1,806,000)
Balance at end of period	149,466,000	152,307,000	26,458,000
Deferred Tax Assets, Valuation Allowance, Percent				100.00%
Valuation allowance				$ 92,600,000
Tax penalties accrued				0	0
Unrecognized tax benefits	$ 152,307,000	$ 26,458,000	$ 26,458,000	149,466,000	152,307,000
Interest related to unrecognized tax benefits				3,600,000	$ 4,000,000.0
Annual limitation				700,000
Domestic Tax Authority
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Net operating loss carryforwards				400,000
Tax credit carryforward				3,200,000
State and Local Jurisdiction
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Net operating loss carryforwards				1,200,000
Tax credit carryforward				$ 10,100,000