Quarterly report pursuant to Section 13 or 15(d)

Consolidated Statements of Stockholders' Equity and Comprehensive Income (Unaudited) (Parenthetical)

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Consolidated Statements of Stockholders' Equity and Comprehensive Income (Unaudited) (Parenthetical) (USD $)
In Thousands
9 Months Ended
Sep. 30, 2011
Other comprehensive income:  
Tax effect on foreign currency translation $ 5
Accumulated Other Comprehensive Loss
 
Other comprehensive income:  
Tax effect on foreign currency translation $ 5