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Retirement Benefit Plans (Tables)
3 Months Ended
Mar. 31, 2014
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]  
Components of the net periodic benefit cost
The components of the net periodic benefit cost for the three months ended March 31, 2014 and 2013 were as follows:
 
 
Three Months Ended
 
 
March 31
 
 
Pension Benefits
 
Postretirement
 
 
U.S. Plans
 
Non-U.S. Plans
 
Medical Benefits
 
 
2014
 
2013
 
2014
 
2013
 
2014
 
2013
Service cost
 
$
124

 
$
216

 
$
38

 
$
33

 
$
32

 
$
38

Interest cost
 
494

 
568

 
132

 
122

 
131

 
112

Expected return on plan assets
 
(670
)
 
(910
)
 
(129
)
 
(116
)
 

 

Amortization of net actuarial loss (gain)
 
44

 
23

 

 

 
11

 
(26
)
Amortization of prior service cost (benefit)
 
11

 
549

 
46

 
81

 
(2
)
 
50

Foreign currency
 

 

 
18

 
42

 

 

Net periodic cost
 
$
3

 
$
446

 
$
105

 
$
162

 
$
172

 
$
174