RESTRUCTURING CHARGES AND IMPAIRMENT LOSSES (LIABILITY CLASSIFICATION TABLE) (DETAILS) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Restructuring Cost and Reserve [Line Items]
Reduction in force	$ 593	$ 708	$ 1,750	$ 3,883
Facility exit charges	0	50	0	298
Restructuring charges, net	593	758	1,750	4,181
Customer Management Services [Member]
Restructuring Cost and Reserve [Line Items]
Reduction in force	358	628	1,404	3,614
Facility exit charges	0	50	0	298
Customer Growth Services [Member]
Restructuring Cost and Reserve [Line Items]
Reduction in force	0	7	37	7
Facility exit charges	0	0	0	0
Customer Technology Services [Member]
Restructuring Cost and Reserve [Line Items]
Reduction in force	235	73	309	73
Facility exit charges	0	0	0	0
Customer Strategy Services [Member]
Restructuring Cost and Reserve [Line Items]
Reduction in force	0	0	0	189
Facility exit charges	$ 0	$ 0	$ 0	$ 0