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SIGNIFICANT CLIENTS(NARRATIVE) (DETAILS) - Client A [Member] - Customer Management Services [Member] - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Entity Wide Revenue Major Customer Line Items        
Revenue from major customer as a percentage of total revenue 11.50% 12.00% 10.90% 11.80%
Accounts receivable amount from major customer $ 29.2 $ 28.6 $ 29.2 $ 28.6