Employee Benefit Plans (Employer Contributions) (Details) (USD $) In Millions	12 Months Ended
Jul. 02, 2011	Jul. 03, 2010
Pension Benefits [Member]
Employer contributions	$ 161.7	$ 297.9
Qualified pension plan [Member]
Employer contributions	140.0	280.0
Employer contributions made in current year that would normally have been made in next fiscal year	140.0	140.0
Supplemental Executive Retirement Plan [Member]
Estimated contributions to defined benefit plans in next fiscal year	23.1
Other Postretirement Plans [Member]
Estimated contributions to defined benefit plans in next fiscal year	$ 0.3

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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

Reference 2: 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=6962843&loc=d3e1928-114920

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