Balance Sheet Components (Property Plant and Equipment) (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Jul. 01, 2016
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 70,129	$ 70,004
Less accumulated depreciation and amortization	(53,723)	(51,842)
Property, plant and equipment, net	16,406	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	11,442	11,714
Software
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	14,803	14,620
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 43,174	$ 42,960