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Benefit Plans (Tables)
 12 Months Ended
Dec. 31, 2014
Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]  
Schedule of plan assets and benefit obligation activity
Using an accrual measurement date of December 31, 2014 and 2013, plan assets and benefit obligation activity for the Pension Plan are listed below:

(In thousands)
 
2014
 
2013
Change in fair value of plan assets
 
 
 
 
Fair value at beginning of measurement period
 
$
152,739

 
$
117,768

Actual return on plan assets
 
15,511

 
31,518

Company contributions
 
—

 
12,638

Benefits paid
 
(7,652
)
 
(9,185
)
Fair value at end of measurement period
 
$
160,598

 
$
152,739

Change in benefit obligation
 
 
 
 
Projected benefit obligation at beginning of measurement period
 
$
89,179

 
$
97,653

Service cost
 
4,331

 
4,817

Interest cost
 
4,577

 
4,223

Actuarial (gains) loss
 
18,893

 
(8,329
)
Benefits paid
 
(7,652
)
 
(9,185
)
Projected benefit obligation at the end of measurement period
 
$
109,328

 
$
89,179

Funded status at end of year (fair value of plan assets less benefit obligation)
 
$
51,270

 
$
63,560
Schedule of allocation of plan assets
The asset allocation for the Pension Plan as of each measurement date, by asset category, was as follows:
 
 
 
 
 
Percentage of Plan Assets
Asset category
 
Target Allocation
 
2014
 
2013
Equity securities
 
50% - 100%
 
85
%
 
83
%
Fixed income and cash equivalents
 
remaining balance
 
15
%
 
17
%
Total
 
 
 
100
%
 
100
%
Schedule of assumptions used to determine benefit obligations
The weighted average assumptions used to determine benefit obligations at December 31, 2014, 2013 and 2012 were as follows:
 
 
 
2014
 
2013
 
2012
Discount rate
 
4.42
%
 
5.30
%
 
4.47
%
Rate of compensation increase
 
 
 


 
3.00
%
Under age 30
 
10.00
%
 
10.00
%
 
 
Ages 30-39
 
6.00
%
 
6.00
%
 
 
Ages 40 and over
 
3.00
%
 
3.00
%
 
 
Schedule of estimated future pension benefit Payments
The estimated future pension benefit payments reflecting expected future service for the next ten years are shown below (in thousands):

2015
$
6,282

2016
6,236

2017
6,902

2018
7,081

2019
7,799

2020-2024
46,850

Total
$
81,150
Schedule of balances of accumulated other comprehensive income loss
The following table shows ending balances of accumulated other comprehensive loss at December 31, 2014 and 2013.
 
(In thousands)
 
2014
 
2013
Prior service cost
 
$
(15
)
 
$
(34
)
Net actuarial loss
 
(22,855
)
 
(8,579
)
Total
 
(22,870
)
 
(8,613
)
Deferred taxes
 
8,005

 
3,015

Accumulated other comprehensive loss
 
$
(14,865
)
 
$
(5,598
)
Schedule of components of net periodic benefit cost and other amounts recognized in other comprehensive income (loss)
Using an actuarial measurement date of December 31 for 2014, 2013 and 2012, components of net periodic benefit cost and other amounts recognized in other comprehensive (loss) income were as follows:
 
(In thousands)
 
2014
 
2013
 
2012
Components of net periodic benefit cost and other amounts recognized in other comprehensive (loss) income
 
 
 
 
 
 
Service cost
 
$
(4,331
)
 
$
(4,817
)
 
$
(4,271
)
Interest cost
 
(4,577
)
 
(4,223
)
 
(4,048
)
Expected return on plan assets
 
10,869

 
9,536

 
8,742

Amortization of prior service cost
 
(19
)
 
(20
)
 
(20
)
Recognized net actuarial loss
 
—

 
(2,703
)
 
(1,708
)
Net periodic benefit income (cost)
 
$
1,942

 
$
(2,227
)
 
$
(1,305
)
Change to net actuarial (loss) gain for the period
 
$
(14,276
)
 
$
30,409

 
$
(11,236
)
Amortization of prior service cost
 
19

 
20

 
20

Amortization of net loss
 
—

 
2,703

 
1,708

Total recognized in other comprehensive (loss) income
 
(14,257
)
 
33,132

 
(9,508
)
Total recognized in net benefit cost and other comprehensive (loss) income
 
$
(12,315
)
 
$
30,905

 
$
(10,813
)
Schedule of assumptions used to determine costs
The weighted average assumptions used to determine net periodic benefit cost for the years ended December 31, 2014, 2013 and 2012 are listed below:
 
 
 
2014
 
2013
 
2012
Discount Rate
 
5.30
%
 
4.47
%
 
5.18
%
Rate of compensation increase
 


 


 
3.00
%
     Under age 30
 
10.00
%
 
10.00
%
 
 
     Ages 30-39
 
6.00
%
 
6.00
%
 
 
     Ages 40 and over
 
3.00
%
 
3.00
%
 
 
Expected long-term return on plan assets
 
7.25
%
 
7.50
%
 
7.75
%