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Equity Incentive Plans (Tables)
12 Months Ended
Dec. 31, 2014
Share-based Compensation [Abstract]  
Summary Of Share Option Activity
A summary of the Company’s share option activity and related information is as follows:
 
 
Number of
shares
 
Option price
per share
 
Weighted avg.
exercise price
Outstanding at December 31, 2011
1,002,833

 
$
18.18

 

 
$
65.50

 
$
34.41

Exercised
(224,181
)
 
18.18

 

 
36.56

 
23.42

Granted
103,082

 
44.62

 

 
47.99

 
45.60

Forfeited
(396
)
 
18.18

 

 
46.69

 
40.03

Outstanding at December 31, 2012
881,338

 
$
18.18

 

 
$
65.50

 
$
38.51

Exercised
(143,272
)
 
18.18

 

 
47.20

 
30.64

Granted
115,257

 
46.86

 

 
58.09

 
47.86

Forfeited
(12,658
)
 
36.56

 

 
60.42

 
56.90

Outstanding at December 31, 2013
840,665

 
$
18.18

 

 
$
65.50

 
$
40.85

Exercised
(35,963
)
 
32.50

 

 
52.72

 
42.63

Granted
172,178

 
51.64

 

 
51.64

 
51.64

Forfeited
(26,666
)
 
45.20

 

 
51.64

 
50.11

Outstanding at December 31, 2014
950,214

 
$
18.18

 

 
$
65.50

 
$
42.48

Schedule of Stock Option Expense to be Recognized in the Future
At December 31, 2014, stock-option expense to be recognized in future periods was $2.4 million as follows (in thousands):
 
Amount
Year:
 
2015
$
1,125

2016
824

2017
477

2018

Total
$
2,426

Summary Of Outstanding Options
The following table summarizes outstanding options at December 31, 2014:
Exercise price range
Options
outstanding
 
Weighted avg.
life remaining
 
Weighted avg.
exercise price
 
Aggregate intrinsic
value  (in thousands)
$ 18.18 - 19.99
201,859

 
4.1
 
 
 
 
20.00 - 29.99

 
0.0
 
 
 
 
30.00 - 39.99
14,774

 
5.1
 
 
 
 
40.00 - 49.99
470,840

 
4.6
 
 
 
 
50.00 - 59.99
169,388

 
8.7
 
 
 
 
60.00 - 65.50
93,353

 
2.0
 
 
 
 
 
950,214

 
5.0
 
$
42.48

 
$
15,059

Summary Of Exercisable Options
he following table summarizes exercisable options at December 31, 2014:
Exercise price range
Options
outstanding
 
Weighted avg.
life  remaining
 
Weighted avg.
exercise price
 
Aggregate  intrinsic
value (in thousands)
$ 18.18 - 19.99
201,859

 
4.1
 
 
 
 
20.00 - 29.99

 
0.0
 
 
 
 
30.00 - 39.99
14,774

 
5.1
 
 
 
 
40.00 - 49.99
335,812

 
3.5
 
 
 
 
50.00 - 59.99
9,375

 
4.3
 
 
 
 
60.00 - 65.50
93,353

 
2.0
 
 
 
 
 
655,173

 
3.5
 
$
39.36

 
$
12,631

Summary Of Nonvested Share Activity
A summary of the Company’s nonvested share activity and related information is as follows:
 
Number  of
shares
 
Weighted avg.
grant  date
fair value
 
Weighted avg.
life remaining
Outstanding at December 31, 2013
371,864

 
$
46.00

 
 
Granted
280,193

 
51.64

 
 
Vested
(149,324
)
 
45.26

 
 
Forfeited
(34,282
)
 
50.24

 
 
Outstanding at December 31, 2014
468,451

 
$
49.29

 
1.00
Nonvested Shares Unamortized Share-based Compensation Expense to be Recognized in the Future
At December 31, 2014, unamortized share-based compensation expense related to nonvested shares was $11.4 million and will be recognized in future periods as follows (in thousands):
 
Amount
Year:
 
2015
$
5,391

2016
3,957

2017
2,030

Total
$
11,378

Summary Of Restricted Share Unit Activity
A summary of the Company’s restricted share unit activity and related information is as follows:
 
Number  of
Shares
 
Weighted
Average
Grant Date
Fair Value
 
Weighted
Average
Life
Remaining
Outstanding at December 31, 2013
17,530

 
$
58.38

 
 
Granted
19,685

 
53.55

 
 
Vested
(17,530
)
 
58.38

 
 
Outstanding at December 31, 2014
19,685

 
$
53.55

 
0.38