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Note 9 - Earnings Per Share (Tables)
3 Months Ended
Apr. 30, 2016
Notes Tables  
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
 
 
Three Months Ended
 
 
 
April 30
, 201
6
 
 
May 2
, 201
5
 
Stock options
    2,388       2,963  
Restricted stock units and awards
    736       743