Balance Sheet Components - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
Jun. 30, 2013	Jul. 01, 2012	Jul. 03, 2011
Balance Sheet Components Disclosure [Abstract]
Inventories, not expected to be consumed within the next 12 months	$ 1.3	$ 2.6
Depreciation expense	$ 5.3	$ 5.0	$ 5.3

Inventories not expected to be converted to cash, sold or exchanged within the normal operating cycle.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.6(d))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 6

-Subparagraph d

-Article 5

Name:	us-gaap_InventoryNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant