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Revenue Recognition (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Jun. 25, 2018	Jun. 24, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Contract with Customer, Liability	$ 74,600		$ 47,100
Accounts receivable, net	150,390		86,398
Accumulated deficit	(713,780)		(482,710)
Contract with Customer, Liability, Current	(47,328)		0
Other Liabilities, Current	(20,472)		(19,280)
Other long-term liabilities	$ (29,453)		(518)
Previously Reported
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Accounts receivable, net			86,398
Accumulated deficit			(482,710)
Contract with Customer, Liability, Current			$ 0
Difference between Revenue Guidance in Effect before and after Topic 606 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Accounts receivable, net		$ 43,355
Accumulated deficit		10,299
Contract with Customer, Liability, Current		(42,675)
Restated Balance
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Accounts receivable, net		129,753
Accumulated deficit		(472,411)
Contract with Customer, Liability, Current		$ (42,675)