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Stock-Based Compensation (Tables)
12 Months Ended
Nov. 30, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Summary of Stock Option Activity
A summary of stock option activity under all the plans is as follows:
 
 
Shares
 
Weighted Average
 
Weighted Average Remaining Contractual Term
 
Aggregate Intrinsic Value (1)
 
(in thousands)
 
Exercise Price
 
(in years)
 
(in thousands)
Options outstanding, December 1, 2017
1,002

 
$
28.29

 
 
 
 
Granted
482

 
49.56

 
 
 
 
Exercised
(189
)
 
23.40

 
 
 
 
Canceled
(188
)
 
34.38

 
 
 
 
Options outstanding, November 30, 2018
1,107

 
$
37.82

 
5.61
 
$
3,610

Exercisable, November 30, 2018
269

 
$
33.80

 
5.33
 
$
1,206

Vested or expected to vest, November 30, 2018
1,107

 
$
37.82

 
5.61
 
$
3,610


(1)
The aggregate intrinsic value was calculated based on the difference between the closing price of our stock on November 30, 2018 of $35.16 and the exercise prices for all options outstanding.

Summary of Status of Restricted Stock Units
A summary of restricted stock units activity is as follows (in thousands, except per share data):
 
 
Number of Shares
 
Weighted Average Fair Value
Restricted stock units outstanding, December 1, 2017
1,136

 
$
28.15

Granted
362

 
49.06

Issued
(393
)
 
30.00

Canceled
(193
)
 
28.61

Restricted stock units outstanding, November 30, 2018
912

 
$
35.46

Fair Value of Options and Employee Stock Purchase Plan Shares Granted, Weighted Average Assumptions
We estimated the fair value of stock options and ESPP awards granted in fiscal years 2018, 2017 and 2016 on the measurement dates using the Black-Scholes option valuation model, and LTIP awards using the Monte Carlo Simulation valuation model, with the following weighted average assumptions:
 
 
Fiscal Year Ended
 
November 30, 2018
 
November 30, 2017
 
November 30, 2016
Stock options:
 
 
 
 
 
Expected volatility
22.8
%
 
25.0
%
 
%
Risk-free interest rate
2.3
%
 
1.9
%
 
%
Expected life (in years)
4.8

 
4.8

 
0

Expected dividend yield
1.1
%
 
1.7
%
 
%
Employee stock purchase plan:
 
 
 
 
 
Expected volatility
23.8
%
 
22.9
%
 
25.3
%
Risk-free interest rate
2.3
%
 
1.2
%
 
0.6
%
Expected life (in years)
1.7

 
1.5

 
1.6

Expected dividend yield
1.5
%
 
1.6
%
 
%
Long-term incentive plan:
 
 
 
 
 
Expected volatility
27.4
%
 
27.5
%
 
27.1
%
Risk-free interest rate
2.1
%
 
1.4
%
 
1.0
%
Expected life (in years)
2.9

 
2.7

 
2.7

Expected dividend yield
1.7
%
 
1.8
%
 
%
Stock Options and Stock Awards Activity
The following additional activity occurred under our plans (in thousands):
 
 
Fiscal Year Ended
 
November 30, 2018
 
November 30, 2017
 
November 30, 2016
Total intrinsic value of stock options on date exercised
$
3,692

 
$
1,622

 
$
2,017

Total fair value of deferred stock units on date vested
1,690

 
57

 

Total fair value of restricted stock units on date vested
14,741

 
20,032

 
17,213

Classification of Stock-Based Compensation
The following table provides the classification of stock-based compensation as reflected in our consolidated statements of operations (in thousands):
 
 
Fiscal Year Ended
 
November 30, 2018
 
November 30, 2017
 
November 30, 2016
Cost of maintenance and services
$
616

 
$
1,016

 
$
899

Sales and marketing
2,959

 
2,214

 
4,093

Product development
8,242

 
4,576

 
9,965

General and administrative
8,752

 
6,347

 
7,584

Total stock-based compensation
$
20,569

 
$
14,153

 
$
22,541

Income tax benefit included in the provision for income taxes from continuing operations
$
4,345

 
$
4,057

 
$
5,208