Net Earnings Per Share (Tables)

9 Months Ended

Apr. 30, 2012

Net Earnings Per Share [Abstract]

Schedule Of Information Necessary To Calculate Basic And Diluted Net Earnings Per Common Share

	Three Months Ended April 30,				Nine Months Ended April 30,
	2012		2011		2012		2011
Weighted average shares - basic*		150,537		154,651		150,385		154,717
Common share equivalents*		2,670		2,757		2,682		2,808
Weighted average shares - diluted*		153,207		157,408		153,067		157,525
Net earnings for basic and diluted earnings per share computation	$	70,946	$	61,811	$	193,320	$	159,524
Net earnings per share - basic*	$	0.47	$	0.40	$	1.29	$	1.03
Net earnings per share - diluted*	$	0.46	$	0.39	$	1.26	$	1.01

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* Current and prior year shares and per share amounts reflect the impact of the Company's two-for-one stock split that occurred March 23, 2012.