Income Taxes (Details Textual) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 30, 2019	Jun. 30, 2018	Mar. 28, 2020	Mar. 30, 2019	Mar. 31, 2018	Apr. 01, 2017
Income Taxes (Textual)
Valuation Allowance	$ 40,433		$ 35,280	$ 40,433
Valuation Allowance, Deferred Tax Asset, Change in Amount			$ 5,200	2,400	$ (9,700)
Years elected to pay Transitional Repatriation Tax			8 years
Loss carryovers			$ 397,500
Foreign jurisdiction exemption reduction, Dollar Amount			62,900	34,600
Gross unrecognized tax benefits	103,178		119,222	103,178	122,823	$ 90,615
Unrecognized tax benefits, if recognized, would impact the effective tax rate	99,100		114,800	99,100	118,700
Interest and penalties expense (benefit) recognized related to uncertain tax positions			(700)	200	2,500
Accrued interest and penalties related to unrecognized tax benefits	4,400		5,400	4,400	4,600
Long-term Tax Liability			$ 19,400
Period gross unrecognized tax benefits may be reduced			12 months
Taxes Payable, Current	41,600		$ 50,800	41,600
Income Taxes Receivable, Current	6,200		5,400	6,200
Long-term income taxes payable	5,700		5,600	5,700
Income tax expense (benefit)	(11,300)	$ (32,100)	60,764	(41,333)	57,433
Deferred Income Tax Expense (Benefit)			(11,099)	(70,169)	(32,248)
Tax settlement			0	3,303	0
Unrecognized Tax Benefits, Increase Resulting from Acquisition			7,500
Domestic deferred tax assets
Income Taxes (Textual)
Valuation Allowance	39,300		31,500	39,300	40,800
Tax rate changes [Member]
Income Taxes (Textual)
Valuation Allowance, Deferred Tax Asset, Change in Amount					(6,800)
Foreign deferred tax assets
Income Taxes (Textual)
Valuation Allowance	$ 1,100		3,800	1,100	2,000
Valuation Allowance, Deferred Tax Asset, Change in Amount					(500)
State net operating losses and credits
Income Taxes (Textual)
Valuation Allowance, Deferred Tax Asset, Change in Amount			7,900	1,500	(1,900)
Foreign net operating losses
Income Taxes (Textual)
Valuation Allowance, Deferred Tax Asset, Change in Amount			(2,700)	$ 900	(1,000)
Valuation Allowance, Deferred Tax Asset, Increase (Decrease) due to purchase accounting adjustments, Amount			2,100
State tax credits [Member]
Income Taxes (Textual)
Valuation Allowance, Deferred Tax Asset, Change in Amount					(500)
U.S. Tax Cuts and Jobs Act, Effective 2018 [Member]
Income Taxes (Textual)
Income tax expense (benefit)					77,300
Measurement period adjustment, income tax expense (benefit)					$ 17,000
U.S. Federal
Income Taxes (Textual)
Loss carryovers			190,400
State
Income Taxes (Textual)
Loss carryovers			281,100
Research Tax Credit Carryforward [Member]
Income Taxes (Textual)
Income tax credits			143,000
Foreign deferred tax assets
Income Taxes (Textual)
Loss carryovers			107,500
State
Income Taxes (Textual)
Income tax credits			$ 64,100
Basic
Income Taxes (Textual)
Foreign jurisdiction exemption reduction, per share amount			$ 0.54	$ 0.28
Diluted
Income Taxes (Textual)
Foreign jurisdiction exemption reduction, per share amount			$ 0.53	$ 0.27