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Balance Sheet Components (Advanced Payments and Unearned Income) (Details) - USD ($)
$ in Thousands
Dec. 29, 2017
Jun. 30, 2017
Deferred Revenue Disclosure [Abstract]    
Advanced payments $ 9,870 $ 8,760
Unearned income 15,403 11,244
Advance payments and unearned income $ 25,273 $ 20,004