External financing (Details Textuals) (USD $)	12 Months Ended
Jun. 30, 2012	Jul. 02, 2011
External financing (Textuals) [Abstract]
Company's debt, carrying value	$ 2,144,389,000
Company's debt, fair value	2,279,681,000
Notes Due 2014 Member
Debt Instrument [Line Items]
Interest rate of senior notes	5.875%
3.75% Notes due March 2024 [Member]
Debt Instrument [Line Items]
Interest rate of senior notes	3.75%
Redemption price, percent	100.00%
Credit Agreement [Member]
Debt Instrument [Line Items]
Unsecured revolving credit facility	1,000,000,000	500,000,000
Line of Credit Facility Expiration Date	November 2016
Borrowings outstanding under credit agreement	110,072,000	122,093,000
Letters of Credit Outstanding, Amount	17,202,000	16,602,000
Term of unsecured revolving credit facility	5 years
6.00% Notes due September 1, 2015 [Member]
Debt Instrument [Line Items]
Interest rate of senior notes	6.00%
6.625% Notes due September 15, 2016 [Member]
Debt Instrument [Line Items]
Interest rate of senior notes	6.625%
5.875% Notes due June 15, 2020 [Member]
Debt Instrument [Line Items]
Interest rate of senior notes	5.875%
Debt Assumed [Member]
Debt Instrument [Line Items]
3.75% Notes due March 2024 assumed in acquisitions	110,000,000
Repayment of Bell debt assumed, amount tendered and paid September 2010	5,205,000
Repayment of senior notes	104,395,000
Outstanding balance of Bell debt assumed	$ 400,000
Bank Credit Facilities [Member]
Debt Instrument [Line Items]
Weighted average interest rate on bank credit facilities	6.10%	7.80%

Bank credit facilities weighted average interest rate.

No definition available.

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- Definition

Business acquisition cost of acquired entity debt assumed outstanding in other long term.

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- Definition

Business acquisition purchase price allocation notes assumed.

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No definition available.

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- Definition

Debt Instrument, Redemption Price, Percent

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No definition available.

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- Definition

Line of Credit Facility Term

+ References

No definition available.

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- Definition

Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

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

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-Name Accounting Standards Codification

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- Definition

This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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- Definition

Interest rate stated in the contractual debt agreement.

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-Publisher SEC

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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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No definition available.

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- Definition

Amount borrowed under the credit facility as of the balance sheet date.

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-Publisher SEC

-Name Regulation S-X (SX)

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-Section 02

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- Definition

Reflects when the credit facility terminates, which may be presented in a variety of ways (year, month and year, day, month and year, quarter).

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-Publisher FASB

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-Paragraph 2, 4

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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- Definition

The cash outflow from the repayments of a long-term debt originally issued by another party but is assumed by the entity.

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The cash outflow for a long-term debt where the holder has highest claim on the entity's asset in case of bankruptcy or liquidation during the period.

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