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Employee Benefit Plans
 3 Months Ended
Mar. 31, 2014
Compensation and Retirement Disclosure [Abstract]  
Employee Benefit Plans
Employee Benefit Plans
The following are components of the net periodic benefit cost for the pension and postretirement benefit plans maintained by the Company for the three months ended March 31, 2014 and 2013:
 
 
Pension Benefits
(in thousands)
Three months ended
March 31,
2014
 
2013
Service cost
$
43

 
$
—

Interest cost
1,162

 
1,065

Expected return on plan assets
(1,905
)
 
(1,755
)
Recognized net actuarial loss
207

 
392

Benefit income
$
(493
)
 
$
(298
)

 
 
Postretirement Benefits
(in thousands)
Three months ended
March 31,
2014
 
2013
Service cost
$
187

 
$
224

Interest cost
393

 
346

Amortization of prior service cost
(136
)
 
(136
)
Recognized net actuarial loss
229

 
359

Benefit cost
$
673

 
$
793