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PENSION AND OTHER POST-EMPLOYMENT BENEFITS
 3 Months Ended
Mar. 31, 2017
Pension and Other Postretirement Benefit Expense [Abstract]  
PENSION AND OTHER POST-EMPLOYMENT BENEFITS
PENSION AND OTHER POST-EMPLOYMENT BENEFITS
The following table sets forth the components of the net periodic benefit income for the Company's pension and other post-employment benefit plans (in thousands):
 
Pension Benefits
 
Other Benefits
 
Three Months Ended March 31,
 
Three Months Ended March 31,
 
2017
 
2016
 
2017
 
2016
Service cost
$
175

 
$
468

 
$
—

 
$
—

Interest cost
2,390

 
2,416

 
43

 
49

Expected return on plan assets
(4,615
)
 
(3,612
)
 
—

 
—

Amortization of prior service credit
—

 
—

 
(371
)
 
(280
)
Recognized actuarial loss (gain)
154

 
123

 
1

 
(62
)
Net periodic benefit (income) cost
$
(1,896
)
 
$
(605
)
 
$
(327
)
 
$
(293
)

For the three months ended March 31, 2017, $0.9 million of pension income was recognized in cost of sales and $0.9 million was recognized in selling, general, and administrative expenses. For the three months ended March 31, 2016, $0.3 million of pension income was incurred in cost of sales and $0.3 million was incurred in selling, general, and administrative expenses.