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Debt (Narrative) (Details) - USD ($)
9 Months Ended
May. 04, 2015
Oct. 31, 2015
Nov. 01, 2014
Jan. 31, 2015
Debt Instrument [Line Items]        
Current debt   $ 10,000,000 $ 0 $ 0
Payments on borrowings   29,000,000 0  
Borrowings outstanding   94,702,000 0 0
Long-term debt   84,702,000 $ 0 $ 0
Term Loan [Member]        
Debt Instrument [Line Items]        
Face amount $ 100,000,000      
Amount drawn at closing 100,000,000      
Current debt   10,000,000    
Borrowings outstanding   94,700,000    
Long-term debt   84,700,000    
Unamortized debt discount   $ 400,000    
Line of Credit [Member] | Revolving Credit Facility [Member]        
Debt Instrument [Line Items]        
Borrowing capacity 100,000,000      
Current debt 24,000,000      
Payments on borrowings $ 124,000,000