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RESTRUCTURING CHARGES AND IMPAIRMENT LOSSES (LIABILITY CLASSIFICATION TABLE) (DETAILS) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Restructuring Cost and Reserve [Line Items]    
Restructuring charges, net $ 540 $ 851
Customer Management Services [Member]
   
Restructuring Cost and Reserve [Line Items]    
Reduction in force 511 694
Customer Growth Services [Member]
   
Restructuring Cost and Reserve [Line Items]    
Reduction in force 29  
Customer Strategy Services [Member]
   
Restructuring Cost and Reserve [Line Items]    
Reduction in force   $ 157