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Earnings Per Common Share
9 Months Ended
Apr. 30, 2011
Earnings Per Share [Abstract]  
Earnings Per Common Share
4.   Earnings Per Common Share
                                 
    Three Months Ended     Nine Months Ended  
    April 30,     April 30,  
    2011     2010     2011     2010  
Weighted average shares outstanding for basic earnings per share
    55,829,122       51,461,181       55,079,700       53,521,242  
Stock options and restricted stock
    112,267       124,269       105,481       100,342  
 
                       
Total — for diluted shares
    55,941,389       51,585,450       55,185,181       53,621,584  
 
                       
    The Company excludes stock options that have an antidilutive effect from its calculation of weighted average shares outstanding assuming dilution. The Company had stock options outstanding of 886,000 at April 30, 2011 and 25,000 at April 30, 2010 which were excluded from this calculation.