Income Taxes - Deferred Tax Valuation Allowance Activities (Details) - Valuation Allowance of Deferred Tax Assets [Member] - USD ($) $ in Thousands	12 Months Ended
	Jun. 25, 2017	Jun. 26, 2016	Jun. 28, 2015
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at beginning of period	$ (13,550)	$ (15,606)	$ (18,615)
(Increase) decrease in valuation allowance	(4,407)	2,056	3,009
Balance at end of period	$ (17,957)	$ (13,550)	$ (15,606)