Earnings Per Common Share (Tables)

6 Months Ended

Jan. 31, 2012

Earnings Per Common Share [Abstract]

Schedule Of Earnings Per Common Share

	Three Months Ended January 31,				Six Months Ended January 31,
	2012		2011		2012		2011
Weighted average common shares outstanding for basic earnings per share		54,587,293		55,812,526		54,789,738		54,717,208
Stock options		38,454		117,963		30,139		102,089
Weighted average common shares outstanding for diluted earnings per share		54,625,747		55,930,489		54,819,877		54,819,297