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

 
$
30.09

Granted
888,500

 
$
42.65

Exercised
(531,438
)
 
$
23.65

Canceled
(34,447
)
 
$
36.60

Outstanding as of January 31, 2017
7,145,005

 
$
32.10
Summary Of Information Concerning Outstanding And Exercisable Options
The following table summarizes information concerning outstanding and exercisable options as of January 31, 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
 
475,245

 
1.91
 
$
17.05

 
475,245

 
$
17.05

$17.70 to $23.69
 
1,173,588

 
2.17
 
$
21.44

 
1,173,588

 
$
21.44

$23.70 to $29.69
 
1,584,597

 
6.70
 
$
28.54

 
985,194

 
$
28.83

$29.70 to $35.69
 
1,432,395

 
5.35
 
$
34.22

 
1,406,129

 
$
34.27

$35.70 and above
 
2,479,180

 
8.27
 
$
41.08

 
1,286,423

 
$
40.59

 
 
7,145,005

 
5.91
 
$
32.10

 
5,326,579

 
$
30.43