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Condensed Consolidated Statement of Changes in Stockholders' Equity (unaudited) (Parenthetical) (USD $)
In Thousands, unless otherwise specified
6 Months Ended
Jun. 30, 2014
Condensed Consolidated Statement of Changes in Stockholders' Equity (unaudited) [Abstract]  
Currency translation adjustments, tax $ 856
Conversion of senior subordinated convertible notes, tax $ 115