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Shareholders' Equity (Details) (USD $)
1 Months Ended 6 Months Ended
Aug. 31, 2013
Aug. 03, 2013
Feb. 02, 2013
Jul. 28, 2012
Aug. 03, 2013
Common Stock [Member]
Shareholders' Equity (Details) [Line Items]          
Treasury Stock, Shares (in Shares)   25,520,605 25,102,990 25,102,990 418,000
Treasury Stock Acquired, Average Cost Per Share (in Dollars per share)         $ 5.10
Treasury Stock, Value   $ 220,308,000 $ 217,555,000 $ 217,555,000 $ 2,800,000
Stock Repurchase Program, Authorized Amount $ 22,000,000