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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, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Entity Wide Revenue Major Customer Line Items        
Revenue from major customer as a percentage of total revenue 10.70% 11.50% 10.20% 10.90%
Accounts receivable amount from major customer $ 27.4 $ 29.2 $ 27.4 $ 29.2