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Line of Credit (Details) (USD $)
In Millions, unless otherwise specified
6 Months Ended 6 Months Ended
Aug. 03, 2013
Jul. 28, 2012
Apr. 30, 2010
Aug. 03, 2013
LIBOR Rate [Member]
Minimum [Member]
Second Amended Credit Facility [Member]
Aug. 03, 2013
LIBOR Rate [Member]
Maximum [Member]
Second Amended Credit Facility [Member]
Aug. 03, 2013
Base Rate [Member]
Minimum [Member]
Second Amended Credit Facility [Member]
Aug. 03, 2013
Base Rate [Member]
Maximum [Member]
Second Amended Credit Facility [Member]
May 31, 2012
Second Amended Credit Facility [Member]
Aug. 03, 2013
Minimum [Member]
Second Amended Credit Facility [Member]
Aug. 03, 2013
Maximum [Member]
Second Amended Credit Facility [Member]
Line of Credit (Details) [Line Items]                    
Line of Credit Facility, Maximum Borrowing Capacity (in Dollars)     $ 100         $ 75    
Debt Instrument, Basis Spread on Variable Rate       2.25% 2.75% 0.75% 1.25%      
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage                 0.375% 0.50%
Line of Credit Facility, Capacity Available for Trade Purchases (in Dollars) 51.1                  
Letters of Credit Outstanding, Amount (in Dollars) $ 0.1 $ 0.7