Accounting For Stock-Based Compensation (Tables)

6 Months Ended

Jan. 31, 2013

Accounting For Stock-Based Compenstation [Abstract]

Summary Of Stock Option Activity

	Options Outstanding			Weighted Average Exercise Price
Outstanding at July 31, 2012		8,056,327		$	20.97
Granted		910,442			33.77
Exercised		(1,148,958	)		14.00
Canceled		(66,727	)		34.20
Outstanding at January 31, 2013		7,751,084			23.39

Summary Of Information Concerning Outstanding And Exercisable Options

Range of Exercise Prices	Number Outstanding		Weighted Average Remaining Contractual Life (Years)		Weighted Average Exercise Price		Number Exercisable		Weighted Average Exercise Price
$0.00 to $15.89		1,496,222		1.58	$	15.26		1,496,222	$	15.26
$15.90 to $20.89		1,985,525		4.27		17.44		1,985,525		17.44
$20.90 to $25.89		1,423,462		6.24		21.78		1,423,462		21.78
$25.90 to $30.89		927,849		7.85		29.15		615,711		29.15
$30.90 and above		1,918,026		8.98		34.30		427,247		34.78
		7,751,084		5.71		23.39		5,948,167		20.39