Income Taxes (Details Textual) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 28, 2019	Dec. 29, 2018	Dec. 28, 2019	Dec. 29, 2018	Sep. 28, 2019
Income Tax Disclosure [Abstract]
Income Tax Expense (Benefit)	$ 3,831	$ 17,230	$ 13,774	$ 63,542
Effective Income Tax Rate Reconciliation, Percent	2.30%	6.70%	2.10%	9.00%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%
Unrecognized Tax Benefits, Period Increase (Decrease)	$ 79,400
Unrecognized Tax Benefits	87,700		$ 87,700
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	49,200		49,200
Unrecognized Tax Benefits That Would Impact Additional Paid-in Capital					$ 85,500
Potential Impact of Adverse Decision for Prior Years Cost Sharing SBC	60,000		60,000
Potential Impact of Adverse Decision for Cost Sharing SBC - Minimum	55,000		55,000
NetTaxBenefitReconizedThroughAPIC	81,900
Net Benefit from Interest and Penalties Included in Provision for Income Taxes	$ 5,200		$ 4,900