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STOCK PLANS (Tables)
 12 Months Ended
Dec. 31, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of share-based payment award, restricted stock units, valuation assumptions
The weighted-average fair value of the market performance restricted stock units granted in 2014 was $8.24 based on the following assumptions used in the lattice valuation model:
Range of expected volatilities of the Company and peer group
41.8% - 54.7%

Expected dividend yield
3.2
%
Expected term (in years)
3

Risk-free interest rate
2.5
%
Schedule of restricted stock activity
The following table summarizes the Company's restricted stock activity during the year:
 
Restricted
Stock
 
Weighted-Average
Fair Value
Outstanding at December 31, 2013
1,230,488

 
$
18.32

Granted
662,773

 
16.42

Forfeited
(108,875
)
 
16.01

Vested
(548,482
)
 
20.84

Outstanding at December 31, 2014
1,235,904

 
$
16.38


The following table summarizes the Company's restricted stock units activity during the year:
 
Restricted
Stock Units
 
Weighted-Average
Fair Value
 
Restricted
Stock Units Performance Based
 
Weighted-Average
Fair Value
 
Restricted
Stock Units Market Based
 
Weighted-Average
Fair Value
Outstanding at December 31, 2013
95,000

 
$
14.04

 
—

 
$
—

 
—

 
$
—

Granted
—

 
—

 
331,896

 
17.34

 
112,250

 
8.24

Forfeited
—

 
—

 
(8,813
)
 
15.19

 
(8,813
)
 
8.14

Vested
(15,000
)
 
14.04

 
—

 
—

 
—

 
—

Outstanding at December 31, 2014
80,000

 
$
14.04

 
323,083

 
$
17.36

 
103,437

 
$
8.18
Schedule of assumptions used in the Black Scholes option pricing model
The grant-date fair value of these options granted was $6.26 based on the following assumptions used in the Black-Scholes option pricing model:
Expected volatility
51
%
Expected dividend yield
2.50
%
Expected term (in years)
6

Risk-free interest rate
1.36
%
Exercise price
$
15.98
Schedule of stock options activity
The following table summarizes the Company's stock option activity for the preceding three years.
 
Number of
Options
 
Weighted-Average
Exercise
Price
 
Weighted-
Average
Remaining
Contractual
Life (years)
 
Aggregate
Intrinsic Value
Outstanding at December 31, 2011
1,540,193

 
$
13.83

 
 
 
$
3,631,381

Granted
20,000

 
15.98

 
 
 
—

Exercised
(93,839
)
 
11.09

 
 
 
426,278

Expired
(37,070
)
 
16.34

 
 
 
37,070

Forfeited
(65,000
)
 
16.76

 
 
 
76,425

Outstanding at December 31, 2012
1,364,284

 
$
13.84

 
3.53
 
$
3,686,098

Exercised
(330,895
)
 
11.98

 
 
 
1,739,700

Forfeited
(10,000
)
 
10.24

 
 
 
42,400

Outstanding at December 31, 2013
1,023,389

 
$
14.48

 
2.71
 
$
4,625,520

Exercised
(375,718
)
 
12.93

 
 
 
2,237,704

Outstanding at December 31, 2014
647,671

 
$
15.37

 
2.16
 
$
4,016,809

Exercisable at December 31, 2014
635,671

 
$
15.36

 
2.07
 
$
3,954,529
Schedule of stock options outstanding and exercisable by exercise price
The following table summarizes information regarding stock options outstanding and exercisable at December 31, 2014:
 
Options Outstanding
 
Options Exercisable
Ranges of Exercise Prices
Number of
Options
 
Weighted-
Average
Remaining
Contractual
Life (years)
 
Weighted-
Average
Exercise
Price
 
Number of
Options
 
Weighted-
Average
Exercise
Price
$10.24 - $15.00
357,171

 
2.34
 
$
11.20

 
357,171

 
$
11.20

$15.01 - $18.77
135,500

 
1.75
 
18.00

 
123,500

 
18.20

$18.78 - $23.47
155,000

 
2.12
 
22.68

 
155,000

 
22.68

$10.24 - $23.47
647,671

 
2.16
 
$
15.37

 
635,671

 
$
15.36
Schedule of non-vested options
A summary of the status of the Company's non-vested options as of December 31, 2014 and 2013, and changes during the year ended December 31, 2014, is presented below.
 
Number of
Options
 
Weighted-
Average
Grant-Date
Fair Value
Non-vested at December 31, 2013
16,000

 
$
6.26

Vested
(4,000
)
 
6.26

Non-vested at December 31, 2014
12,000

 
$
6.26