Company-Sponsored Employee Benefit Plans (Employer Contributions) (Details) (USD $)	12 Months Ended
Jun. 30, 2012	Jul. 02, 2011
Pension Benefits [Member]
Employer contributions	$ 162,444,000	$ 161,677,000
Qualified pension plan [Member]
Employer contributions	140,000,000	140,000,000
Supplemental Executive Retirement Plan [Member]
Estimated contributions to defined benefit plans in next fiscal year	23,400,000
Other Postretirement Plans [Member]
Employer contributions	(129,000)	(287,000)
Estimated contributions to defined benefit plans in next fiscal year	$ 400,000

The employer's best estimate, as soon as it can be reasonably determined, of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position. Estimated contributions may be presented in the aggregate combining (1) contributions required by funding regulations or laws, (2) discretionary contributions, and (3) noncash contributions.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (g)

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

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 132R

-Paragraph 5

-Subparagraph g

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

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