Accounting For Stock-Based Compensation (Tables)

9 Months Ended

Apr. 30, 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	1,013,836	38.61
Exercised	(797,319)	18.07
Canceled	(56,842)	38.32
Outstanding at April 30, 2015	7,357,557	29.33

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	1,430,579	2.16	$         17.06	1,430,579	$          17.06
$17.70 to $23.69	1,456,345	3.76	21.46	1,456,345	21.46
$23.70 to $29.69	832,268	5.58	29.12	832,268	29.12
$29.70 to $35.69	1,749,522	6.93	34.23	1,485,055	34.32
$35.70 and above	1,888,843	8.94	40.24	353,089	41.77
	7,357,557	5.74	29.33	5,557,336	26.20