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Employee Benefits (Tables) (Pension Plans, Defined Benefit)
3 Months Ended
Mar. 31, 2012
Pension Plans, Defined Benefit
 
Defined Benefit Plan Disclosure  
Components of net periodic benefit cost for the pension plans

 

Three months ended March 31,

 

 

 

U.S.

 

International

 

 

 

2012

 

2011

 

2012

 

2011

 

Service cost

 

$

 

$

 

$

4

 

$

5

 

Interest cost

 

30

 

30

 

66

 

66

 

Expected return on plan assets

 

(32

)

(30

)

(80

)

(71

)

Amortization of net actuarial loss

 

11

 

8

 

14

 

13

 

Net periodic benefit cost

 

$

9

 

$

8

 

$

4

 

$

13