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Stockholders’ Equity (Deficit) (Tables)
 12 Months Ended
Aug. 31, 2017
Equity [Abstract]  
Weighted Average Assumptions Used To Estimate The Fair Value Of Stock Option Grants
In addition to the exercise and grant date prices of the awards, certain weighted average assumptions that were used to estimate the fair value of stock option grants in the respective periods are listed in the table below:

 
2017
 
2016
 
2015
Expected term (years)
 
5.3

 
5.3

 
5.0

Expected volatility
 
34
%
 
34
%
 
34
%
Risk-free interest rate
 
2.0
%
 
1.4
%
 
1.3
%
Expected dividend yield
 
2.2
%
 
1.5
%
 
1.2
%
Summary Of Stock Option Activity
A summary of stock option activity under the Company’s stock-based compensation plans for the year ended August 31, 2017, is presented in the following table:

 
Options
 
Weighted Average Exercise Price
 
Weighted Average Remaining Contractual Life (Yrs.)
 
Aggregate Intrinsic Value
Outstanding September 1, 2016
 
2,334

 
$
18.37

 
 
 
 
Granted
 
670

 
25.26

 
 
 
 
Exercised
 
(292
)
 
10.74

 
 
 
 
Forfeited or expired
 
(176
)
 
27.74

 
 
 
 
Outstanding at August 31, 2017
 
2,536

 
$
20.42

 
3.92
 
$
13,501


 
 
 
 
 
 
 
 
Exercisable at August 31, 2017
 
1,632

 
$
16.88

 
2.77
 
$
13,501
Summary Of Restricted Stock Units
A summary of the Company’s RSU activity during the year ended August 31, 2017 is presented in the following table: 

 
Restricted Stock Units
 
Weighted Average Grant Date Fair Value
Outstanding September 1, 2016
 
92

 
$
28.90

Granted
 
49

 
28.88

Vested
 
(17
)
 
29.36

Forfeited
 
(29
)
 
29.65

Outstanding at August 31, 2017
 
95

 
$
26.64