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Note D - Comprehensive Income
9 Months Ended
Sep. 30, 2011
Comprehensive Income (Loss) Note [Text Block]
NOTE D - COMPREHENSIVE INCOME

Comprehensive income and its components are as follows:

(Thousands of dollars)
 
Three Months Ended
September 30,
   
Nine Months Ended
September 30,
 
   
2011
   
2010
   
2011
   
2010
 
Net income
  $ 7,655     $ 6,155     $ 23,699     $ 16,308  
Changes in cumulative foreign currency translation adjustments
    (2,172 )     1,370       (887 )     (139 )
Pension and OPEB adjustments
    403       254       978       769  
Total comprehensive income
  $ 5,886     $ 7,779     $ 23,790     $ 16,938