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Long-Term Employee Benefits
3 Months Ended
Mar. 31, 2012
Long Term Employee Benefits [Abstract]  
Long-Term Employee Benefits
Long-Term Employee Benefits 
The following sets forth the components of the company’s net periodic benefit cost for pensions:  
 
Three Months Ended
 
March 31,
 
2012
2011
Service cost
$
68

$
59

Interest cost
297

310

Expected return on plan assets
(381
)
(365
)
Amortization of unrecognized loss
219

153

Amortization of prior service cost
4

4

Net periodic benefit cost
$
207

$
161


 
The following sets forth the components of the company’s net periodic benefit cost for other long-term employee benefits:  
 
Three Months Ended
 
March 31,
 
2012
2011
Service cost
$
9

$
8

Interest cost
48

53

Amortization of unrecognized loss
22

15

Amortization of prior service benefit
(30
)
(30
)
Net periodic benefit cost
$
49

$
46