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Employee Stock Plan (Deferred Compensation Arrangements) (Narrative) (Details)
12 Months Ended
Jan. 29, 2017
shares
years_old
Jan. 31, 2016
shares
Feb. 01, 2015
shares
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]      
Number Of Shares Of Common Stock Each Deferred Share Entitled To 1    
Deferred Shares Issued 139,000 152,000 206,000
Number Of Years After Grant Date Of Deferred Shares 5 years    
Deferred Compensation, Share-based Payments [Member]      
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]      
Age at Which Award becomes Non-Forfeitable | years_old 60    
Award Requisite Service Period 5 years