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Employee Benefit and Stock Plans (Tables)
12 Months Ended
Nov. 30, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Stock Based Compensation Expense
The following table presents our stock-based compensation expense (in thousands):
 
Years Ended November 30,
 
2016
 
2015
 
2014
Stock options (a)
$
7,076

 
$
7,576

 
$
3,024

Restricted stock
2,630

 
2,499

 
1,750

PSUs
5,343

 
5,404

 
3,699

Director awards
1,801

 
1,664

 
(91
)
Total
$
16,850

 
$
17,143

 
$
8,382

(a)
Compensation expense associated with stock options was accelerated in 2015 as a result of retirement provisions being met for certain stock option recipients.
Stock option transactions
Stock option transactions are summarized as follows:
 
Years Ended November 30,
 
2016
 
2015
 
2014
 
Options
 
Weighted
Average
Exercise
Price
 
Options
 
Weighted
Average
Exercise
Price
 
Options
 
Weighted
Average
Exercise
Price
Options outstanding at beginning of year
12,635,644

 
$
19.39

 
11,735,042

 
$
20.45

 
10,531,938

 
$
21.11

Granted
1,012,686

 
16.21

 
1,262,000

 
14.92

 
1,273,647

 
14.62

Exercised
(551,898
)
 
13.95

 
(76,164
)
 
9.69

 
(36,665
)
 
7.92

Cancelled
(364,887
)
 
34.07

 
(285,234
)
 
45.80

 
(33,878
)
 
20.25

Options outstanding at end of year
12,731,545

 
$
18.95

 
12,635,644

 
$
19.39

 
11,735,042

 
$
20.45

Options exercisable at end of year
10,506,810

 
$
19.70

 
10,389,722

 
$
20.35

 
10,103,739

 
$
21.32

Options available for grant at end of year
7,034,523

 
 
 
1,554,195

 
 
 
3,514,077

 
 
Stock options outstanding and stock options exercisable
Stock options outstanding and stock options exercisable at November 30, 2016 are summarized as follows:
 
 
Options Outstanding
 
Options Exercisable
Range of Exercise Price
 
Options
 
Weighted
Average
Exercise
Price
 
Weighted
Average
Remaining
Contractual
Life
 
Options
 
Weighted
Average
Exercise
Price
 
Weighted
Average
Remaining
Contractual
Life
 
$  6.32 to $11.06
 
2,771,667

 
$
8.33

 
4.3

 
2,771,667

 
$
8.33

 
 
$11.07 to $14.95
 
2,595,011

 
14.60

 
8.1

 
1,370,933

 
14.41

 
 
$14.96 to $16.69
 
2,668,775

 
15.94

 
6.2

 
1,668,118

 
15.78

 
 
$16.70 to $28.10
 
2,609,550

 
23.24

 
1.2

 
2,609,550

 
23.24

 
 
$28.11 to $69.63
 
2,086,542

 
36.97

 
1.9

 
2,086,542

 
36.97

 
 
$  6.32 to $69.63
 
12,731,545

 
$
18.95

 
4.4

 
10,506,810

 
$
19.70

 
3.5

Assumptions of Black-Scholes option-pricing model
The fair value of each stock option grant is estimated on the date of grant using the Black-Scholes option-pricing model with the following assumptions:
 
Years Ended November 30,
 
2016
 
2015
 
2014
Risk-free interest rate
1.3
%
 
1.4
%
 
1.6
%
Expected volatility factor
41.3
%
 
43.6
%
 
41.0
%
Expected dividend yield
.6
%
 
.7
%
 
.7
%
Expected term
5 years

 
5 years

 
5 years

Restricted stock transactions
Restricted stock transactions are summarized as follows:
 
Years Ended November 30,
 
2016
 
2015
 
2014
 
Shares
 
Weighted
Average
per Share
Grant Date
Fair Value
 
Shares
 
Weighted
Average
per Share
Grant Date
Fair Value
 
Shares
 
Weighted
Average
per Share
Grant Date
Fair Value
Outstanding at beginning of year
416,977

 
$
15.88

 
355,294

 
$
15.81

 
219,628

 
$
16.23

Granted
453,703

 
15.73

 
285,006

 
15.19

 
219,835

 
15.34

Vested
(252,854
)
 
14.78

 
(204,663
)
 
14.83

 
(73,908
)
 
16.52

Cancelled
(13,207
)
 
15.12

 
(18,660
)
 
15.45

 
(10,261
)
 
18.55

Outstanding at end of year
604,619

 
$
16.24

 
416,977

 
$
15.88

 
355,294

 
$
15.81

Schedule of Share Based Payments Performance Shares Activity
PSU transactions are summarized as follows:
 
Years Ended November 30,
 
2016
 
2015
 
2014
 
Shares
 
Weighted
Average
per Share
Grant Date
Fair Value
 
Shares
 
Weighted
Average
per Share
Grant Date
Fair Value
 
Shares
 
Weighted
Average
per Share
Grant Date
Fair Value
Outstanding at beginning of year
820,209

 
$
15.52

 
628,209

 
$
15.70

 
385,049

 
$
16.39

Granted
369,281

 
13.81

 
192,000

 
14.92

 
243,160

 
14.62

Vested
(374,630
)
 
10.21

 

 

 

 

Cancelled
(5,000
)
 
16.21

 

 

 

 

Outstanding at end of year
809,860

 
$
17.19

 
820,209

 
$
15.52

 
628,209

 
$
15.70