External financing (Details Textuals) (USD $)	6 Months Ended		3 Months Ended		3 Months Ended	6 Months Ended				3 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Dec. 29, 2012 Notes Due 2022 [Member]	Jun. 30, 2012 Notes Due 2022 [Member]	Dec. 29, 2012 Credit Agreement [Member]	Dec. 29, 2012 Credit Agreement [Member]	Jun. 30, 2012 Credit Agreement [Member]	Dec. 29, 2012 Bank Credit Facilities [Member]	Jun. 30, 2012 Bank Credit Facilities [Member]	Dec. 29, 2012 Accounts Receivable Securitization Program [Member]	Jun. 30, 2012 Accounts Receivable Securitization Program [Member]
Debt Instrument [Line Items]
Short-term Debt, Weighted Average Interest Rate								4.80%	6.10%
Accounts receivable securitization program maximum borrowing amount										$ 800,000,000	$ 750,000,000
Accounts Receivable Securitization Program Loan Term										1 year
Accounts Receivable securitization program, expiration date										August 2013
Terms on which interest on borrowings is calculated										base rate or a commercial paper rate plus a spread
Interest on borrowings										0.35%
Program facility fee										0.35%
Senior Note Issued			350,000,000	0
Debt Instrument, Interest Rate, Stated Percentage			4.875%	0.00%
Debt Instrument, Maturity Date			Dec. 01, 2022
Proceeds from Issuance of Debt	349,258,000	0	349,258,000
Payments of Financing Costs			2,275,000
Line of Credit Facility Term						5 years
Line of Credit Facility, Maximum Borrowing Capacity					1,000,000,000	1,000,000,000
Line of credit facility expiration date					Nov. 18, 2016
Line of credit facility, amount outstanding					0	0	110,072,000
Letters of credit outstanding, amount					17,309,000	17,309,000	17,202,000
External Financing [Abstract]
Company's debt, carrying value	1,998,466,000
Company's debt, fair value	$ 2,124,580,000