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Impact of Derivative Financial Instruments on Statements of Income (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jul. 28, 2012	Jul. 30, 2011	Jul. 28, 2012	Jul. 30, 2011
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	$ 11,718	$ 14,286	$ 9,031	$ (7,864)
Intercompany Balances, Primarily Short-Term Debt And Related Interest | Fair Value Hedges | Selling, General And Administrative Expenses
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	9,613	2,194	13,265	(975)
Diesel Fuel Contracts | Economic Hedges For Which Hedge Accounting Was Not Elected | Cost Of Sales, Including Buying And Occupancy Costs
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	(3,220)	(259)	(1,703)	1,003
Merchandise Purchase Commitments | Economic Hedges For Which Hedge Accounting Was Not Elected | Cost Of Sales, Including Buying And Occupancy Costs
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income	$ 5,325	$ 12,351	$ (2,531)	$ (7,892)

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- Definition

The amount of net gains and losses recognized in income during the period on derivative instruments designated and qualifying as hedging instruments in fair value hedges and related hedged items designated and qualifying in fair value hedges, on derivative instruments designated and qualifying as hedging instruments in cash flow hedges, and on derivative instruments not designated as hedging instruments.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4C

-Subparagraph (a),(c),(d),(e)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 133

-Paragraph 205G

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 133

-Paragraph 44C

-Subparagraph b

-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.



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4A

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5618551-113959

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