The life of the derivative, from the inception date, in years.

No definition available.

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- Definition

The adjustment to the fair value of the entity's interest rate swap liability related to its non-performance risk.

+ References

No definition available.

+ Details

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- Definition

The Company's weighted average credit spread at period end.

+ References

No definition available.

+ Details

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- Definition

Fair value of derivative liability, presented on a gross basis even when the derivative instrument is subject to master netting arrangements and qualifies for net presentation in the statement of financial position.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4B

-Subparagraph (a),(c)

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-Paragraph 44C

-Subparagraph a

-Clause 1

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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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-Name Statement of Financial Accounting Standard (FAS)

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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

Fixed interest rate related to the interest rate derivative.

+ References

No definition available.

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- Definition

The amount of net gains or losses on interest rate cash flow hedges reclassified during the period to earnings from accumulated other comprehensive income upon the hedged transaction affecting earnings.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 133

-Paragraph 45

-Subparagraph b(1)

-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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- Definition

The estimated net amount of unrealized gains or losses on interest rate cash flow hedges as of the balance sheet date expected to be reclassified to earnings within the next twelve months.

+ References

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 133

-Paragraph 45

-Subparagraph b(2)

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- Definition

Aggregate notional amount of interest rate derivatives, which relates to the currency amount specified in the interest rate derivative instruments.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

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-Paragraph 1B

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-Glossary Notional Amount

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- Definition

Amount of unrealized gain (loss) related to the increase or decrease in fair value of interest rate derivatives designated as cash flow hedging instruments, which was recorded in accumulated other comprehensive income to the extent that the cash flow hedge was determined to be effective.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 133

-Paragraph 46

-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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Derivative Instruments and Hedging Activities (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended			9 Months Ended	3 Months Ended		9 Months Ended					9 Months Ended	12 Months Ended
	Jul. 29, 2011	May 03, 2012	Apr. 27, 2012	Apr. 27, 2012 Interest Rate Swap [Member] Cash Flow Hedging [Member]	Apr. 27, 2012 Interest Rate Swap [Member] Cash Flow Hedging [Member] Interest Expense [Member]	Apr. 29, 2011 Interest Rate Swap [Member] Cash Flow Hedging [Member] Interest Expense [Member]	Apr. 27, 2012 Interest Rate Swap [Member] Cash Flow Hedging [Member] Interest Expense [Member]	Apr. 29, 2011 Interest Rate Swap [Member] Cash Flow Hedging [Member] Interest Expense [Member]	Apr. 27, 2012 Interest Rate Swap Asset [Member] Interest Rate Swap [Member]	Apr. 27, 2012 Interest Rate Swap Liability [Member]	Jul. 29, 2011 Interest Rate Swap Liability [Member]	Apr. 27, 2012 Interest Rate Swap Liability [Member] Interest Rate Swap [Member]	Jul. 29, 2011 Interest Rate Swap Liability [Member] Interest Rate Swap [Member]	Apr. 27, 2012 Interest Rate Swap May 4, 2006 [Member]	Apr. 27, 2012 Interest Rate Swap August 10, 2010 [Member]	Apr. 27, 2012 Two Year Interest Rate Swap July 25, 2011 [Member]	Apr. 27, 2012 Three Year Interest Rate Swap July 25, 2011 [Member]	Apr. 27, 2012 Interest Rate Swap 1 September 19, 2011 [Member]	Apr. 27, 2012 Interest Rate Swap 2 September 19, 2011 [Member]	Apr. 27, 2012 Interest Rate Swap December 7, 2011 [Member]
Derivatives [Line Items]
Company's credit spread (in hundredths)			2.00%
Life of interest rate swap (in years)														7Y	2Y	2Y	3Y	2Y	2Y	3Y
Notional principal amount of underlying interest rate swap		$ 525,000												$ 550,000	$ 200,000	$ 50,000	$ 50,000	$ 25,000	$ 25,000	$ 50,000
Fixed interest rate amount for swapped portion of debt (in hundredths)														5.57%	2.73%	2.00%	2.45%	1.05%	1.05%	1.40%
Notional amount of interest rate derivatives		525,000												550,000	200,000	50,000	50,000	25,000	25,000	50,000
Interest rate swap										38,702	51,604
Derivatives, Fair Value [Line Items]
Reduction in fair value												976	1,546
Estimated pre-tax portion of AOCL that is expected to be reclassified into earnings over the next twelve months									26,943
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Income (Loss) Recognized in AOCL on Derivative (Effective Portion)	14,677			22,134
Amount of Loss Reclassified from AOCL into Income (Effective Portion)					$ 7,222	$ 7,765	$ 22,134	$ 22,878