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Retirement Savings Plan (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 24, 2012 plans	Jun. 26, 2011	Jun. 27, 2010
General Discussion of Pension and Other Postretirement Benefits [Abstract]
Employee Benefit Plans, Number Of Plans	1
Approximate contribution by company to retirement savings plan	$ 4.7	$ 3.9	$ 3.1

X

- Definition

Employee Benefit Retirement Savings Plans, Number Of Plans

+ References

No definition available.

+ Details

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X

- Definition

The increase in the fair value of plan assets from contributions made by the employer.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 132R

-Paragraph 5

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (b)(3)

-URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920

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