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

 
$
30.09

Granted
—

 
$
—

Exercised
(209,987
)
 
$
20.94

Canceled
(30,366
)
 
$
36.96

Outstanding at October 31, 2016
6,582,037

 
$
30.35
Summary Of Information Concerning Outstanding And Exercisable Options
The following table summarizes information concerning outstanding and exercisable options as of October 31, 2016:
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
 
573,495

 
1.82
 
$
17.10

 
573,495

 
$
17.10

$17.70 to $23.69
 
1,248,506

 
2.37
 
$
21.42

 
1,248,506

 
$
21.42

$23.70 to $29.69
 
1,640,185

 
6.86
 
$
28.55

 
738,335

 
$
29.13

$29.70 to $35.69
 
1,507,394

 
5.60
 
$
34.23

 
1,480,794

 
$
34.27

$35.70 and above
 
1,612,457

 
7.59
 
$
40.19

 
799,328

 
$
40.77

 
 
6,582,037

 
5.46
 
$
30.35

 
4,840,458

 
$
29.21