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RESTRUCTURING CHARGES AND IMPAIRMENT (TABLES)
3 Months Ended
Mar. 31, 2013
RESTRUCTURING CHARGES AND IMPAIRMENT LOSSES [Abstract]  
Schedule of Restructuring Liabilities
   Three Months Ended March 31,
   2013 2012
Reduction in force     
 Customer Management Services$ 694 $ 1,855
 Customer Growth Services  -    103
 Customer Technology Services  -    -
 Customer Strategy Services  157   -
  Total$ 851 $ 1,958
        
Schedule of Restructuring Liability Rollforward
  Closure of Delivery Centers Reduction in Force Total
          
Balance as of December 31, 2012$ -  $ 4,079 $ 4,079
 Expense  -    851   851
 Payments  -    (2,120)   (2,120)
 Changes in estimates  -    -    -
Balance as of March 31, 2013$ -  $ 2,810 $ 2,810