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Consolidated Statements Of Comprehensive Income (Parenthetical) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Statement of Comprehensive Income [Abstract]        
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax $ 91 $ 60 $ (48) $ 281
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax $ (1,549) $ 672 $ (945) $ (1,124)