Balance Sheet Components (Inventory Adjustments) (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Apr. 01, 2016	Apr. 03, 2015	Apr. 01, 2016	Apr. 03, 2015
Balance Sheet Related Disclosures [Abstract]
Excess and obsolete inventory charges	$ 1.1	$ 1.4	$ 3.1	$ 3.3
Customer service inventory write-down	0.2	0.8	0.9	2.1
Charges for inventory and customer service inventory write-downs	$ 1.3	$ 2.2	$ 4.0	$ 5.4
As % of revenue	2.20%	2.90%	1.90%	2.20%

Charge to cost of goods sold that represents the reduction of the carrying amount of inventory, generally attributable to obsolescence or market conditions.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 330
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=28360613&loc=d3e4542-108314

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.2)
-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

Name:	us-gaap_InventoryWriteDown
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration