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Financial Instruments - Additional Information (Detail) (USD $) In Millions, unless otherwise specified | 12 Months Ended
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Feb. 01, 2014 | Feb. 02, 2013 | Jan. 28, 2012
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Realized gains/losses on derivative | $ 10.7 | $ 1.2 | $ (1.2)
Diesel Fuel Contracts for First Nine Months of Fiscal 2015 |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Hedge of diesel fuel requirement | 42.00% |  |

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- Definition Hedge diesel fuel requirement + References No definition available. + Details
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Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Details
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- Definition The difference between the book value and the sale price of options, swaps, futures, forward contracts, and other derivative instruments. This element refers to the gain (loss) included in earnings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.13(h)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
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