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MERGER TRANSITION AND RESTRUCTURING ACTIVITIES (Details) (USD $)
In Thousands, unless otherwise specified
1 Months Ended 3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Actient
Apr. 26, 2013
Actient
Jun. 30, 2013
Actient
Employee severance
Jun. 30, 2013
Actient
Employee severance
Merger transition and restructuring activities            
Consideration representing compensation $ 8,309 $ 0   $ 8,309    
Consideration representing compensation expensed     6,902      
Severance obligations         6,360 6,360
Severance obligations expensed         3,123 3,123
Severance obligations paid         $ 210 $ 210