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Comprehensive Income
6 Months Ended
Jun. 30, 2011
Comprehensive Income  
Comprehensive Income
NOTE 7. Comprehensive Income

Foreign subsidiaries' assets and liabilities are translated to United States dollars at the end of period exchange rates. Revenues and expenses are translated at average rates for the period. Translation adjustments are reported as a separate component of stockholders' equity in accumulated other comprehensive income. Total comprehensive income was $14.4 million and $9.6 million for the quarters ended June 30, 2011 and 2010, respectively, and $24.9 million and $18.3 million for the six months ended June 30, 2011 and 2010, respectively.