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Common Stock Options (Schedule Of Stock Option Activity Under Plan) (Details) (USD $)
0 Months Ended 1 Months Ended 3 Months Ended 12 Months Ended
May 16, 2012
Mar. 31, 2012
Jan. 29, 2011
Feb. 01, 2014
Feb. 02, 2013
Jan. 28, 2012
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]            
Options outstanding, Balance (shares)       1,187,817 2,627,955 2,136,185
Options outstanding, Granted (shares)       554,500 687,416 611,313
Options outstanding, Forfeited (shares)       (205,456) (98,048) (119,543)
Options outstanding, Cancelled (shares)   (2,020,620)   (35,300) (2,020,620)  
Options outstanding, Exercised (shares)       (196,941) (8,886)  
Options outstanding, Balance (shares)     2,136,185 1,304,620 [1] 1,187,817 2,627,955
Options outstanding, Exercisable (shares)       251,657    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]            
Weighted average exercise price, Balance (dollars per share)       $ 10.43 $ 6.47 $ 6.31
Weighted average exercise price, Granted (dollars per share)       $ 38.92 $ 14.96 $ 7.03
Weighted average exercise price, Forfeited (dollars per share)       $ 20.23 $ 9.14 $ 6.40
Weighted average exercise price, Cancelled (dollars per share)       $ 30.19 $ 6.30  
Weighted average exercise price, Exercised (dollars per share)       $ 7.55 $ 4.12  
Weighted average exercise price, Balance (dollars per share)     $ 6.31 $ 20.90 [1] $ 10.43 $ 6.47
Weighted average exercise price, Exercisable (dollars per share)       $ 8.79    
Weighted average remaining contractual term     9 years 8 months 12 days 8 years 6 months 1 day [1] 9 years 3 months 18 days 9 years
Weighted average remaining contractual term, Exercisable       7 years 9 months 18 days    
Dividends declared per share (dollars per share) $ 2.02          
Performance Based Vesting Schedule [Member]
           
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]            
Options outstanding, Cancelled (shares)   (1,010,310)       (1,010,310)
[1] The weighted-average exercise price at February 1, 2014 and February 2, 2013, respectively, reflects the adjustment of $2.02 per share resulting from the dividend declared on May 15, 2012 as described above.