Equity Based Compensation (Tables)
 9 Months Ended
Apr. 30, 2017
Share-based Compensation [Abstract]  
Summary Of Stock Option Activity
The following table summarizes stock option activity during the nine months ended April 30, 2017:
 
Options
Outstanding
 
Weighted
Average
Exercise Price
Outstanding as of July 31, 2016
6,822,390

 
$
30.09

Granted
888,500

 
$
42.65

Exercised
(776,477
)
 
$
23.87

Canceled
(38,530
)
 
$
36.14

Outstanding as of April 30, 2017
6,895,883

 
$
32.37
Summary Of Information Concerning Outstanding And Exercisable Options
The following table summarizes information concerning outstanding and exercisable options as of April 30, 2017:
Range of Exercise Prices
 
Number Outstanding
 
Weighted
Average
Remaining
Contractual
Life (Years)
 
Weighted
Average
Exercise
Price of Outstanding Options
 
Number
Exercisable
 
Weighted
Average
Exercise
Price of Exercisable Options
$ 0.00 to $17.69
 
438,163

 
1.67
 
$
17.04

 
438,163

 
$
17.04

$17.70 to $23.69
 
1,027,308

 
2.07
 
$
21.34

 
1,027,308

 
$
21.34

$23.70 to $29.69
 
1,562,254

 
6.46
 
$
28.54

 
965,516

 
$
28.84

$29.70 to $35.69
 
1,405,562

 
5.12
 
$
34.22

 
1,387,831

 
$
34.25

$35.70 and above
 
2,462,596

 
8.03
 
$
41.09

 
1,283,757

 
$
40.59

 
 
6,895,883

 
5.79
 
$
32.37

 
5,102,575

 
$
30.74