Accounting For Stock-Based Compensation (Tables)

6 Months Ended

Jan. 31, 2015

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	998,336	38.63
Exercised	(591,394)	17.45
Canceled	(31,509)	38.95
Outstanding at January 31, 2015	7,573,315	29.08

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 $17.69	1,571,174	2.29	$         17.01	1,571,174	$          17.01
$17.70 to $23.69	1,488,345	4.02	21.44	1,488,345	21.44
$23.70 to $29.69	844,768	5.84	29.12	844,768	29.12
$29.70 to $35.69	1,778,353	7.20	34.23	1,506,618	34.32
$35.70 and above	1,890,675	9.18	40.26	345,423	41.78
	7,573,315	5.90	29.08	5,756,328	25.95