Earnings Per Share (Tables)
 12 Months Ended
Jan. 28, 2012
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
 
2011
 
2010
 
2009
 
(in thousands)
Weighted-average shares - basic
88,596

 
85,369

 
74,566

Dilutive effect of stock options, restricted stock units, and restricted shares
300

 
681

 
1,038

Weighted-average shares - diluted
88,896

 
86,050

 
75,604