Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements Of Comprehensive Income (Loss)(Parenthetical)

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Condensed Consolidated Statements Of Comprehensive Income (Loss)(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]        
Unrealized holding gains (losses) on available-for-sale securities tax benefit (expense) $ (1) $ 0 $ (2) $ (4)
Unrealized gains (losses) on derivative transactions tax benefit (expense) (924) 1,372 (183) 223
Foreign currency translation adjustment tax benefit (expense) $ 590 $ (308) $ 613 $ (210)