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Line of Credit (Details) - USD ($)
$ in Millions
9 Months Ended
Oct. 31, 2015
Nov. 01, 2014
May. 02, 2012
Line of Credit (Details) [Line Items]      
Line of Credit Facility, Maximum Borrowing Capacity (in Dollars)     $ 75
Line of Credit Facility, Current Borrowing Capacity (in Dollars) $ 65 $ 65  
Minimum [Member] | Credit Facility [Member]      
Line of Credit (Details) [Line Items]      
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage 0.375%    
Minimum [Member] | Credit Facility [Member] | LIBOR Rate [Member]      
Line of Credit (Details) [Line Items]      
Debt Instrument, Basis Spread on Variable Rate 2.25%    
Minimum [Member] | Credit Facility [Member] | Base Rate [Member]      
Line of Credit (Details) [Line Items]      
Debt Instrument, Basis Spread on Variable Rate 0.75%    
Maximum [Member] | Credit Facility [Member]      
Line of Credit (Details) [Line Items]      
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage 0.50%    
Maximum [Member] | Credit Facility [Member] | LIBOR Rate [Member]      
Line of Credit (Details) [Line Items]      
Debt Instrument, Basis Spread on Variable Rate 2.75%    
Maximum [Member] | Credit Facility [Member] | Base Rate [Member]      
Line of Credit (Details) [Line Items]      
Debt Instrument, Basis Spread on Variable Rate 1.25%