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Impact of Derivative Financial Instruments on Statements of Income (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
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Oct. 31, 2015 | Nov. 01, 2014 | Oct. 31, 2015 | Nov. 01, 2014
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gain (loss) recognized in income | $ 2,176 | $ 12,704 | $ 8,136 | $ 1,791
Intercompany Balances, Primarily And Related Interest | Fair Value Hedges | Selling, General And Administrative Expenses |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gain (loss) recognized in income | (730) | 1,842 |  |
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 | (2,405) | (5,614) | (11,696) | (4,709)
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 | $ 5,311 | $ 16,476 | 12,854 | 780
Intercompany Balances, Primarily Debt And Related Interest | Fair Value Hedges | Selling, General And Administrative Expenses |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gain (loss) recognized in income |  |  | $ 6,978 | $ 5,720

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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=56946850&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=56946850&loc=SL5624171-113959 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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