Income Taxes (Details Textual) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 28, 2019	Mar. 28, 2020	Mar. 30, 2019	Mar. 31, 2018	Sep. 28, 2019
Income Tax Disclosure [Abstract]
Tax Cuts and Jobs Act of 2017, Incomplete Accounting, Provisional Income Tax Expense			$ 2,400	$ 214,700
Excess benefits from stock-based compensation		$ 37,428	14,196	21,520
Gross unrecognized tax benefits balance		88,840	147,616	$ 125,148
Decrease in unrecognized tax benefits		58,800
Unrecognized Tax Benefits That Would Impact Additional Paid-in Capital					$ 85,500
NetTaxBenefitReconizedThroughAPIC	$ 81,900
Unrecognized tax benefits that would impact effective tax rate		47,400	35,300
Potential Impact of Adverse Decision for Cost Sharing SBC - Minimum		55,000
Potential Impact of Adverse Decision for Cost Sharing SBC		60,000
Deferred Tax Assets and Liabilities [Line Items]
Long-term deferred tax assets		186,936	157,480
Valuation allowance		150,907	118,773
Other Assets [Member]
Deferred Tax Assets and Liabilities [Line Items]
Long-term deferred tax assets		$ 149,400	$ 126,700