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Earnings per Share
3 Months Ended
Jan. 31, 2012
Earnings per Share [Abstract]  
Earnings per Share
2. Earnings per Share
 
Basic earnings per share is computed by dividing net income by the weighted average shares of common stock outstanding for the period and excludes any dilutive effects of stock options. Diluted earnings per share is computed by dividing net income by the weighted average shares of common stock outstanding for the period plus the shares that would be outstanding assuming the exercise of dilutive stock options. There was no dilutive effect of stock options for the three months ended January 31, 2012 and 2011.