Balance Sheet Components (Inventory Adjustments) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 29, 2013	Mar. 30, 2012	Mar. 29, 2013	Mar. 30, 2012
Balance Sheet Related Disclosures [Abstract]
Excess and obsolete inventory charges	$ 1.3	$ 0.1	$ 4.2	$ 1.6
Customer service inventory write-down	0.2	0.3	0.6	1.4
Charges for product transition and inventory write-downs	$ 1.5	$ 0.4	$ 4.8	$ 3.0
As % of revenue	1.30%	0.40%	1.30%	0.90%