Earnings Per Common Share (Tables)

9 Months Ended

Apr. 30, 2012

Earnings Per Common Share [Abstract]

Schedule Of Earnings Per Common Share

	Three Months Ended April 30,				Nine Months Ended April 30,
	2012		2011		2012		2011
Weighted average common shares outstanding for basic earnings per share		52,879,877		55,829,122		54,162,411		55,079,700
Stock options		90,480		112,267		50,252		105,481
Weighted average common shares outstanding for diluted earnings per share		52,970,357		55,941,389		54,212,663		55,185,181