Share Repurchase Program (Details) (USD $)
In Millions, except Per Share data, unless otherwise specified
3 Months Ended 9 Months Ended
Oct. 27, 2012
Oct. 27, 2012
Share Repurchase Program [Abstract]    
Stock Repurchase Program, Authorized Amount   $ 100
Expected Months Under Stock Repurchase Plan   18 months
Treasury Stock, Shares, Acquired 1.3 4.0
Treasury Stock Acquired, Average Cost Per Share $ 11.70 $ 16.38
Treasury Stock, Value, Acquired, Cost Method $ 15.0 $ 65.1