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Income Taxes (Details 1) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Current      
Federal $ 9,663 $ 5,679 $ 1,768
Foreign 7,885 8,896 5,498
State and local 920 1,123 809
Current, Total 18,468 15,698 8,075
Deferred      
Federal (1,443) 726 342
Foreign (1,310) (1,199) (1,098)
State and local (174) (215) (144)
Deferred Total (2,927) (688) (900)
Income taxes $ 15,541 $ 15,010 $ 7,175