Earnings Per Share

6 Months Ended

Feb. 28, 2015

Earnings Per Share [Abstract]

Earnings Per Share

15. Earnings Per Share

The dilutive effect of outstanding stock options on earnings per share is calculated using the treasury stock method. Stock options are anti-dilutive and excluded from the earnings per share calculation if the exercise price exceeds the average market price of the common shares. Outstanding options to purchase common shares that were anti-dilutive and excluded from the second quarter earnings per share calculation totaled 3,437,516 and 6,347,469 at February 28, 2015 and 2014, respectively. Anti-dilutive shares excluded from the year to date earnings per share calculation were 4,957,390 and 4,343,079 in fiscal 2015 and 2014, respectively.