Balance Sheet Components (Inventory Adjustments) (Details) - USD ($) $ in Thousands	3 Months Ended
Sep. 28, 2018	Sep. 29, 2017
Balance Sheet Related Disclosures [Abstract]
Excess and Obsolete Inventory (Recovery) Charges	$ (25)	$ (37)
Customer service inventory write-downs	202	190
Charges for inventory and customer service inventory write-downs	$ 177	$ 153

Amount of loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration