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Stock-Based Compensation (Tables)
12 Months Ended
Nov. 30, 2017
Share-based Compensation [Abstract]  
Summary Of RSU Activity
A summary of our RSU activity for the years ended November 30 follows:
(shares in thousands)
2017
2016
2015
  
Shares
Weighted-    
average    
price    
Shares
Weighted-
average
price
Shares
Weighted-
average
price
Beginning of year
267

$
80.08

270

$
71.03

239

$
67.60

Granted
131

94.63

105

96.59

135

76.06

Vested
(118
)
80.62

(94
)
72.21

(90
)
69.12

Forfeited
(13
)
90.85

(14
)
82.10

(14
)
73.22

Outstanding—end of year
267

$
86.47

267

$
80.08

270

$
71.03

Assumptions Of Stock Compensation Plans
These fair values were computed using the following range of assumptions for our various stock compensation plans for the years ended November 30:
 
2017
2016
2015
Risk-free interest rates
0.9 - 2.4%

0.5 - 1.9%

0.1 - 2.0%

Dividend yield
1.9
%
1.7
%
2.1
%
Expected volatility
18.7%

18.7%

18.8%

Expected lives
7.6 years

7.6 years

7.7 years

Summary Of Stock Option Activity
A summary of our stock option activity for the years ended November 30 follows:
(shares in millions)
2017
2016
2015
  
Shares
Weighted-    
average    
exercise    
price    
Shares
Weighted-
average
exercise
price
Shares
Weighted-
average
exercise
price
Beginning of year
4.9

$
66.00

4.8

$
59.20

4.8

$
54.17

Granted
0.6

98.07

0.7

99.92

0.8

76.32

Exercised
(0.7
)
50.63

(0.6
)
51.26

(0.7
)
45.22

Forfeited




(0.1
)
69.67

Outstanding—end of year
4.8

71.91

4.9

66.00

4.8

59.20

Exercisable—end of year
3.8

$
65.34

3.4

$
56.97

3.1

$
51.99

Summary Of Our Stock Options Outstanding And Exercisable
A summary of our stock options outstanding and exercisable at November 30, 2017 follows:
(shares in millions)
Options outstanding
Options exercisable
Range of
exercise price
Shares
Weighted-
average
remaining
life (yrs.)
Weighted-
average
exercise
price
Shares
Weighted-
average
remaining
life (yrs.)
Weighted-  
average  
exercise  
price  
$29.50 - $54.00
1.0

2.7
$
42.54

1.0

2.7
$
42.54

$54.01 - $78.50
2.5

6.0
69.12

2.4

5.9
68.69

$78.51 - $103.00
1.3

8.8
98.92

0.4

8.3
99.38

 
4.8

5.3
$
71.91

3.8

4.4
$
65.34

Schedule of Long-term Performance Plan Activity
A summary of the LTPP award activity for the years ended November 30 follows:
(shares in thousands)
2017
2016
2015
  
Shares
Weighted-    
average    
price    
Shares
Weighted-
average
price
Shares
Weighted-
average
price
Beginning of year
201

$
78.10

192

$
70.94

231

$
61.94

Granted
78

89.96

108

86.40

96

74.02

Vested
(43
)
69.04

(18
)
64.74

(65
)
48.78

Performance adjustment
(16
)
74.02

(41
)
69.04

(56
)
64.74

Forfeited


(40
)
81.78

(14
)
70.92

Outstanding—end of year
220

$
84.31

201

$
78.10

192

$
70.94