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Line of Credit (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Apr. 29, 2017
Jan. 28, 2017
Apr. 30, 2016
Line of Credit (Details) [Line Items]      
Line of Credit Facility, Current Borrowing Capacity $ 50.0    
Line of Credit Facility, Dividend Restrictions The Credit Facility contains customary affirmative and negativecovenants, including restrictions on dividends and share repurchases, incurrence of additional indebtedness and acquisitions, covenantsaround the net number of store closings, and restrictions related to the payment of cash dividends, including limiting the amountof dividends and share repurchases to $5.0 million annually and not allowing borrowings under the amended facility for the sixmonths before or six months after the dividend payment.    
Dividends and Share Repurchase Maximum $ 5.0    
Line of Credit Facility, Maximum Amount Outstanding During Period   $ 21.5  
Letters of Credit Outstanding, Amount 0.0   $ 0.0
Line of Credit Facility, Remaining Borrowing Capacity 35.0   $ 37.0
Increased Maximum During Months of October, November, and December [Member]      
Line of Credit (Details) [Line Items]      
Line of Credit Facility, Current Borrowing Capacity $ 75.0    
Minimum [Member] | Credit Facility [Member]      
Line of Credit (Details) [Line Items]      
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage 0.375%    
Maximum [Member] | Credit Facility [Member]      
Line of Credit (Details) [Line Items]      
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage 0.50%    
LIBOR Rate [Member] | Minimum [Member] | Credit Facility [Member]      
Line of Credit (Details) [Line Items]      
Debt Instrument, Basis Spread on Variable Rate 2.25%    
LIBOR Rate [Member] | Maximum [Member] | Credit Facility [Member]      
Line of Credit (Details) [Line Items]      
Debt Instrument, Basis Spread on Variable Rate 2.75%    
Prime Rate [Member] | Minimum [Member] | Credit Facility [Member]      
Line of Credit (Details) [Line Items]      
Debt Instrument, Basis Spread on Variable Rate 0.75%    
Prime Rate [Member] | Maximum [Member] | Credit Facility [Member]      
Line of Credit (Details) [Line Items]      
Debt Instrument, Basis Spread on Variable Rate 1.25%