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SHARE-BASED COMPENSATION (Tables)
9 Months Ended
Sep. 30, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Compensation cost arising from share-based arrangements
The Company recognized compensation expense from share-based arrangements shown in the following table:
 
Three Months Ended September 30,
 
Nine Months Ended September 30,
 
2015
 
2014
 
2015
 
2014
 
(In thousands)
Recognition of fair value of restricted stock units, stock options and SARs over vesting period; and issuance of stock
$
1,100

 
$
334

 
$
2,924

 
$
2,450

Contributions of stock to the Company’s 401(k) plan
842

 
677

 
2,664

 
1,006

Total share-based compensation expense
$
1,942

 
$
1,011

 
$
5,588

 
$
3,456

Summary of Restricted Stock Unit activity
A summary of restricted stock award activity for the nine months ended September 30, 2015 is as follows: 
 
Units
 
Weighted
Average
Grant-Date
Fair Value
 
Unamortized
Compensation
Expense
(In thousands)
 
Non-vested at December 31, 2014
409,362

 
$
13.87

 
 
 
Granted
262,555

 
28.26

 
 
 
Vested
(247,528
)
 
10.53

 
 
 
Forfeited
(60,241
)
 
10.57

 
 
 
Non-vested at September 30, 2015
364,148

 
$
28.57

 
$
8,053

(1) 
____________________
(1)
Expected to be recognized over the next three years.
Summary of Stock Option Activity
A summary of stock option activity for the nine months ended September 30, 2015 is as follows:
 
Stock Options
 
Weighted
Average
Exercise Price
 
Weighted
Average
Remaining
Contractual
Life
(In years)
 
Aggregate Intrinsic
Value
(In thousands)
 
Unamortized
Compensation
Expense
(In thousands)
Outstanding at December 31, 2014
110,806

 
$
22.15

 
 
 
 
 
 
Exercised

 

 
 
 
 
 
 
Expired
(1,500
)
 
21.40

 
 
 
 
 
 
Outstanding and exercisable at September 30, 2015
109,306

 
$
22.16

 
2.4
 
$

 
$

Summary of Stock Appreciation Rights
A summary of SARs activity for the nine months ended September 30, 2015 is as follows:
 
SARs
 
Weighted
Average Exercise Price
 
Weighted
Average
Remaining
Contractual
Life
(In years)
 
Aggregate Intrinsic
Value
(In thousands)
 
Unamortized
Compensation
Expense
(In thousands)
Outstanding at December 31, 2014
16,943

 
$
25.44

 
 
 
 
 
 
Exercised

 

 
 
 
 
 
 
Expired

 

 
 
 
 
 
 
Outstanding and exercisable at September 30, 2015
16,943

 
$
25.44

 
0.6
 
$

 
$