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Goodwill Impairment (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2012
Goodwill activity    
Beginning balance $ 28,306 $ 28,148
Goodwill impairment (28,306) (28,306)
Translation adjustment   158
Ending balance