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Balance Sheet Components (Cash, Cash Equivalents and Restricted Cash) (Details) - USD ($)
$ in Thousands
Dec. 29, 2017
Jun. 30, 2017
Dec. 30, 2016
Jul. 01, 2016
Cash and Cash Equivalents [Abstract]        
Cash and cash equivalents $ 40,352 $ 35,658    
Restricted cash 1,772 541    
Restricted cash included in Other assets 357 370    
Total cash, cash equivalents, and restricted cash $ 42,481 $ 36,569 $ 35,406 $ 31,425