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BENEFIT PLANS (Tables)
 9 Months Ended
Sep. 30, 2013
Notes to Financial Statements [Abstract]  
Components of Net Periodic Benefit Cost
The following sets forth the components of net periodic benefit cost of the Company’s defined benefit plans and for the Company’s other postemployment benefit plans for the three and nine months ended September 30, 2013 and 2012:

Defined Benefit Plans 
Three Months Ended
 
Nine Months Ended
(in thousands)
2013
 
2012
 
2013
 
2012
 
 
 
 
 
 
 
 
Service cost
$
3,728

 
$
3,004

 
$
11,113

 
$
9,014

Interest cost
2,486

 
2,608

 
7,408

 
7,926

Expected return on plan assets
(1,252
)
 
(1,180
)
 
(3,729
)
 
(3,594
)
Amortization of prior service benefit
(34
)
 
(34
)
 
(101
)
 
(104
)
Amortization of net actuarial loss
1,292

 
486

 
3,840

 
1,478

Curtailments and settlement gains
(680
)
 
—

 
(1,305
)
 
—

Net periodic benefit cost
$
5,540

 
$
4,884

 
$
17,226

 
$
14,720


Other Postemployment Benefit Plans
Three Months Ended
 
Nine Months Ended
(in thousands)
2013
 
2012
 
2013
 
2012
 
 
 
 
 
 
 
 
Service cost
$
61

 
$
18

 
$
184

 
$
55

Interest cost
122

 
117

 
364

 
352

Amortization of net actuarial loss
88

 
58

 
264

 
173

Net periodic benefit cost
$
271

 
$
193

 
$
812

 
$
580
Information Related to the Contributions to the Compnay's Benefit Plans
The following sets forth the information related to the contributions to the Company’s benefit plans for 2013:
(in thousands)
Pension
Benefits
 
Other
Postretirement
Benefits
 
 
 
 
Actual contributions through September 30, 2013
$
9,744

 
$
203

Projected contributions for the remainder of the year
3,167

 
462

Total projected contributions
$
12,911

 
$
665