Accounting For Stock-Based Compensation (Tables)

3 Months Ended

Oct. 31, 2014

Accounting For Stock-Based Compensation [Abstract]

Summary Of Stock Option Activity

	Options Outstanding	Weighted Average Exercise Price
Outstanding at July 31, 2014	7,197,882	$                        26.84
Granted	8,762	41.91
Exercised	(239,333)	17.45
Canceled	(17,830)	37.66
Outstanding at October 31, 2014	6,949,481	27.16

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 $16.69	801,172	1.11	$         16.06	801,172	$          16.06
$16.70 to $22.69	2,184,715	3.87	19.13	2,184,715	19.13
$22.70 to $28.69	400,114	3.16	22.97	400,114	22.97
$28.70 to $34.69	1,820,717	7.01	31.58	1,241,007	30.59
$34.70 and above	1,742,763	7.84	38.67	620,107	35.59
	6,949,481	5.33	27.16	5,247,115	23.61