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Percent added to Eurodollar rate to arrive at interest rate of base rate loans.

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No definition available.

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- Definition

Percent added to Eurodollar rate to arrive at interest rate of Eurodollar rate loans.

+ References

No definition available.

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- Definition

Percent added to Federal Funds rate to arrive at interest rate of base rate loans.

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No definition available.

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- Definition

Line of Credit Additional Borrowing Capacity

+ References

No definition available.

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- Definition

Previous 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.

+ References

No definition available.

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- Definition

Percentage of the principal amount of debt instruments used when calculating a redemption price for previously issued debt instruments.

+ References

No definition available.

+ Details

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- Definition

Interest rate of a comparable treasury issue plus this percentage used when calculating a redemption price for previously issued debt instruments.

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No definition available.

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- Definition

The stated principal amount of the debt instrument at time of issuance, which may vary from the carrying amount because of unamortized premium or discount.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

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- Definition

Interest rate stated in the contractual debt agreement.

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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-Subparagraph (SX 210.5-02.22(a)(1))

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- Definition

The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

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

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 21

-Paragraph 16, 20

-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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-Publisher FASB

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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

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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

-Publisher FASB

-Name Accounting Standards Codification

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-Section S99

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-Subparagraph (SX 210.5-02.19(b),22(b))

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The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

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No definition available.

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Borrowings and Credit Facilities (Details Textual) (USD $)				0 Months Ended			0 Months Ended			0 Months Ended			0 Months Ended		0 Months Ended
	Jan. 25, 2013	Oct. 31, 2011	Jun. 16, 2011 Term Loan due 2016 [Member]	Nov. 01, 2006 6.0% Senior Notes due 2016 [Member]	Jan. 25, 2013 6.0% Senior Notes due 2016 [Member]	Oct. 26, 2012 6.0% Senior Notes due 2016 [Member]	Nov. 01, 2006 6.625% Senior Notes due 2036 [Member]	Jan. 25, 2013 6.625% Senior Notes due 2036 [Member]	Oct. 26, 2012 6.625% Senior Notes due 2036 [Member]	Oct. 12, 2011 5.125% Senior Notes due 2021 [Member]	Jan. 25, 2013 5.125% Senior Notes due 2021 [Member]	Oct. 26, 2012 5.125% Senior Notes due 2021 [Member]	Oct. 12, 2012 Revolving Credit Facility [Member]	Oct. 27, 2010 Revolving Credit Facility [Member]	Oct. 12, 2012 Revolving Credit Facility [Member] Minimum [Member]	Oct. 12, 2012 Revolving Credit Facility [Member] Maximum [Member]
Borrowings and Credit Facilities (Textual) [Abstract]
Unsecured revolving credit facility (Credit Agreement), previous maximum borrowing capacity														$ 700,000,000
Unsecured revolving credit facility (Credit Agreement), maximum borrowing capacity													1,000,000,000
Letters of Credit Outstanding, Amount	309,200,000
Line of Credit Additional Borrowing Capacity													250,000,000
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage															0.10%	0.325%
EurodollarPlusPercentageForEurodollarLoans															1.00%	2.00%
FedFundsRatePlusPercentage													0.50%
EurodollarPlusPercentageForBaseRateLoans													1.00%
Available borrowing capacity	690,800,000
Principal amount		250,000,000	500,000,000	250,000,000			150,000,000			500,000,000
Interest rate				6.00%	6.00%	6.00%	6.625%	6.625%	6.625%	5.125%	5.125%	5.125%
Treasury rate of a comparable issue plus percentage				0.30%			0.375%			0.50%
Discount on Note Payable										$ 4,200,000
Percentage of principal amount of notes to be redeemed at company's option (in hundredths)				100.00%						100.00%