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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
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Aug. 02, 2014 | Aug. 03, 2013 | Aug. 02, 2014 | Aug. 03, 2013
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gain (loss) recognized in income | $ 237 | $ 9,579 | $ (10,913) | $ 13,911
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 | 3,936 | (4,423) | 3,878 | 1,863
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 | (321) | 2,206 | 905 | (755)
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 | $ (3,378) | $ 11,796 | $ (15,696) | $ 12,803

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- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: 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 Reference 2: 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 + Details
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