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Balance Sheet Components (Property, Plant and Equipment) (Details) - USD ($)
$ in Thousands
Dec. 30, 2016
Jul. 01, 2016
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross $ 67,685 $ 70,004
Less accumulated depreciation and amortization (50,849) (51,842)
Property, plant and equipment, net 16,836 18,162
Land    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 710 710
Buildings and leasehold improvements    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 11,346 11,714
Software    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 14,370 14,620
Machinery and equipment    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross $ 41,259 $ 42,960