Balance Sheet Components (Property, Plant and Equipment) (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Jul. 01, 2016
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 68,019	$ 70,004
Less accumulated depreciation and amortization	(52,306)	(51,842)
Property, plant and equipment, net	15,713	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	11,362	11,714
Software
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	14,375	14,620
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 41,572	$ 42,960