Accounts Receivable Securitization (Details) (USD $)	1 Months Ended	12 Months Ended
	Aug. 31, 2011	Jun. 30, 2012	Jul. 02, 2011
Accounts receivable securitization (Textuals) [Abstract]
Accounts receivable securitization program maximum borrowing amount	$ 750,000,000
Accounts receivable securitization program, maximum borrowing amount prior to amendment	600,000,000
Accounts Receivable securitization program, expiration date		August 2012
Accounts Receivable Securitization Program Loan Term		1 year
Accounts receivable securitization program, borrowings outstanding		$ 670,000,000	$ 160,000,000
Terms on which interest on borrowings is calculated		base rate or a commercial paper rate plus a spread of 0.35%
Program facility fee		0.35%