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Impairments, Store Closing Costs and Gain on Sale of Leases (Narrative) (Details)
 12 Months Ended
Jan. 31, 2015
Feb. 01, 2014
Feb. 02, 2013
Impairments, Store Closing Costs and Other Costs [Abstract]      
Number Of Closed Stores 14m_NumberOfClosedStores 5m_NumberOfClosedStores 6m_NumberOfClosedStores