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Note Repurchase (Details) (USD $)
9 Months Ended 3 Months Ended
Oct. 29, 2011
Oct. 30, 2010
Oct. 29, 2011
Notes Payable 6.625 Percent
Oct. 30, 2010
Notes Payable 7.13 Percent
Note repurchase        
Face amount of notes     $ 5,700,000 $ 1,200,000
Notes, percentage     6.625% 7.13%
Pretax gain recorded in net interest and debt expense $ 173,000 $ 21,000 $ 200,000 $ 21,000