RESTRUCTURING CHARGES AND IMPAIRMENT LOSSES (LIABILITY CLASSIFICATION TABLE) (DETAILS) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Restructuring Cost and Reserve [Line Items]
Reduction in force	$ 198	$ 617	$ 1,007	$ 1,157
Restructuring charges, net	198	617	1,007	1,157
Customer Management Services [Member]
Restructuring Cost and Reserve [Line Items]
Reduction in force	39	535	815	1,046
Customer Growth Services [Member]
Restructuring Cost and Reserve [Line Items]
Reduction in force	0	8	0	37
Customer Technology Services [Member]
Restructuring Cost and Reserve [Line Items]
Reduction in force	0	74	0	74
Customer Strategy Services [Member]
Restructuring Cost and Reserve [Line Items]
Reduction in force	$ 159	$ 0	$ 192	$ 0