XML 35 R25.htm IDEA: XBRL DOCUMENT v3.4.0.3
RETIREMENT PLANS (Tables)
 3 Months Ended
Mar. 31, 2016
Pension Benefits [Member]  
Defined Benefit Plan Disclosure [Line Items]  
Components of Net Periodic Benefit Cost
The components of net periodic benefit cost for the Company’s defined benefit plans for the three months ended March 31, 2016 and 2015 were as follows (in thousands):
 
 
Pension Benefits
 
 
Pension Plan
 
SERP
 
 
Three months ended
March 31,
 
Three months ended
March 31,
 
 
2016
 
2015
 
2016
 
2015
 
Components of net periodic benefit cost:
            
Service cost
 
$
3,220
  
$
3,830
  
$
—
  
$
—
 
Interest cost
  
3,412
   
3,354
   
16
   
16
 
Expected return on plan assets
  
(4,153
)
  
(4,483
)
  
—
   
—
 
Amortization of actuarial loss
  
1,218
   
1,964
   
7
   
7
 
Net periodic benefit cost
 
$
3,697
  
$
4,665
  
$
23
  
$
23
 
Other Postretirement Benefits [Member]  
Defined Benefit Plan Disclosure [Line Items]  
Components of Net Periodic Benefit Cost
The components of net periodic benefit cost for the Company’s postretirement benefit plan for the three months ended March 31, 2016 and 2015 were as follows (in thousands):
 
 
Other Postretirement
Benefits
 
 
Postretirement Welfare
Plan
 
 
Three months ended
March 31,
 
 
2016
 
2015
 
Components of net periodic benefit cost:
      
Service cost
 
$
—
  
$
—
 
Interest cost
  
12
   
13
 
Amortization of actuarial gain
  
(188
)
  
(173
)
Net periodic benefit cost
 
$
(176
)
 
$
(160
)