Note 13 - Supplemental Disclosure to Earnings (Losses) Per Common Share (Tables)
3 Months Ended
Nov. 30, 2012
Schedule of Weighted Average Number of Shares [Table Text Block]
 
 
Three Months Ended
 
 
 
2012
   
2011
 
             
Basic
    66,504       71,341  
Diluted:
               
Stock options
    1,023       456  
Restricted stock
    405       688  
Diluted
    67,932       72,485  
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
 
 
Three Months Ended
 
 
 
2012
   
2011
 
             
Stock options
    406       2,371  
Restricted stock
          643