XML 56 R40.htm IDEA: XBRL DOCUMENT v3.6.0.2
Share-Based Compensation Plans (Tables)
 12 Months Ended
Dec. 31, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of activity of stock options and awards of shares and stock units
The following table summarizes activity regarding our stock options and awards of shares and stock units since December 31, 2013:
Stock Options
 
Restricted Stock Units
 
 
Shares
 
Weighted
Average
Price
 
 
 
Shares
 
Weighted
Average
Price
Balance, December 31, 2013
 
1,310,697

 
$
18.12

 
Balance, December 31, 2013
 
610,803

 
$
31.17

Granted
 
—

 
—

 
Granted
 
176,418

 
$
43.06

Expired
 
—

 
—

 
Forfeited
 
(500
)
 
$
43.76

Exercised
 
(743,923
)
 
$
13.52

 
Vested
 
(152,423
)
 
$
32.46

Balance, December 31, 2014
 
566,774

 
$
24.15

 
Balance, December 31, 2014
 
634,298

 
$
34.16

Granted
 
—

 
—

 
Granted
 
241,274

 
$
45.23

Expired
 
(30,000
)
 
$
12.09

 
Forfeited
 
(3,587
)
 
$
29.56

Exercised
 
(230,048
)
 
$
26.71

 
Vested
 
(266,497
)
 
$
32.17

Balance, December 31, 2015
 
306,726

 
$
23.42

 
Balance, December 31, 2015
 
605,488

 
$
39.47

Granted
 
—

 
—

 
Granted
 
191,936

 
$
46.86

Expired
 
—

 
—

 
Forfeited
 
(965
)
 
$
43.13

Exercised
 
(163,726
)
 
$
23.73

 
Vested
 
(304,171
)
 
$
35.29

Balance, December 31, 2016
 
143,000

 
$
23.06

 
Balance, December 31, 2016
 
492,288

 
$
44.93
Summary of information about stock options
The following table summarizes information about our outstanding stock options as of December 31, 2016:  
Stock Options Outstanding and Exercisable
Range of
Exercise Prices
 
Number
 
Weighted Average
Remaining Life
 
Weighted Average
Exercise Price
$20.42 - $24.48
 
143,000
 
2.40 Years
 
$23.06