Accounting For Stock-Based Compensation (Tables)

6 Months Ended

Jan. 31, 2014

Accounting For Stock-Based Compensation [Abstract]

Summary Of Stock Option Activity

	Options Outstanding	Weighted Average Exercise Price
Outstanding at July 31, 2013	7,329,820	$                        23.88
Granted	847,013	42.16
Exercised	(754,322)	18.41
Canceled	(8,665)	34.62
Outstanding at January 31, 2014	7,413,846	26.51

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	1,144,781	1.61	$         15.88	1,144,781	$          15.88
$16.70 to $22.69	2,242,001	4.61	19.15	2,242,001	19.15
$22.70 to $28.69	428,114	3.91	23.01	428,114	23.01
$28.70 to $34.69	1,873,792	7.73	31.57	1,283,086	30.58
$34.70 and above	1,725,158	8.65	38.50	599,953	35.14
	7,413,846	5.84	26.51	5,697,935	23.04