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Sechedule Of Restricted Stock Outstanding - (Details) - 6 months ended Aug. 01, 2015 - 2004 Plan - Restricted Stock - Class A Common Stock - $ / shares
Total
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested [Roll Forward]  
Restricted Stock Awards Beginning Balance 552,495
Restricted Stock Awards Granted 159,673
Restricted Stock Awards Vested (87,130)
Restricted Stock Awards Foreited (18,443)
Restricted Stock Awards Ending Balance 606,595
Share Based Compensation Arrangement By Share Based Payment Award Equity InstrumentsOtherThan Options Nonvested Weighted Average Grant Date Fair Value  
Restricted Stock Awards Weighted Average Grant Date Fair Value Per Share - Beginning Balance $ 26.19
Granted Restricted Stock Awards Weighted Average Grant Date Fair Value Per Share 39.60
Vested Restricted Stock Awards Weighted Average Grant Date Fair Value Per Share 26.03
Forfeited Restricted Stock Awards Weighted Average Grant Date Fair Value Per Share 27.92
Restricted Stock Awards Weighted Average Grant Date Fair Value Per Share - Ending Balance $ 29.69