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Impairments, Store Closing Costs and Gain on Sale of Leases (Narrative) (Details) - stores | 1 Months Ended
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Jan. 28, 2017 | Aug. 31, 2016 | Jan. 30, 2016 | Jan. 31, 2015
Impairments, Store Closing Costs and Other Costs [Abstract] |  |  |  |
Number of stores closed | 68 |  | 40 | 14
Planned store closings |  | 100 |  |

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- Definition Impairments, Store Closing Costs and Other Costs [Abstract] + References No definition available. + Details
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- Definition Number of Closed Stores + References No definition available. + Details
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- Definition Number of Stores to be Closed + References No definition available. + Details
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