Long-term leases (Details) (USD $) In Thousands	12 Months Ended
Jul. 02, 2011	Jul. 03, 2010	Jun. 27, 2009
Rent expense charged to operations
Rent expense charged to operations, Total	$ 86,703	$ 64,487	$ 64,382
Buildings [Member]
Rent expense charged to operations
Rent expense charged to operations, Total	78,371	59,047	58,213
Equipment [Member]
Rent expense charged to operations
Rent expense charged to operations, Total	$ 8,332	$ 5,440	$ 6,169

Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41499-112717

Name:	us-gaap_OperatingLeasesRentExpenseNet
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration