RESTRUCTURING CHARGES AND IMPAIRMENT LOSSES (LIABILITY CLASSIFICATION TABLE) (DETAILS) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Restructuring Cost and Reserve [Line Items]
Reduction in force	$ 617	$ 2,324	$ 1,157	$ 3,175
Facility exit charges	0	248	0	248
Restructuring charges, net	617	2,572	1,157	3,423
Customer Management Services [Member]
Restructuring Cost and Reserve [Line Items]
Reduction in force	535	2,292	1,046	2,986
Facility exit charges	0	248	0	248
Customer Growth Services [Member]
Restructuring Cost and Reserve [Line Items]
Reduction in force	8	0	37	0
Facility exit charges	0	0	0	0
Customer Technology Services [Member]
Restructuring Cost and Reserve [Line Items]
Reduction in force	74	0	74	0
Facility exit charges	0	0	0	0
Customer Strategy Services [Member]
Restructuring Cost and Reserve [Line Items]
Reduction in force	0	32	0	189
Facility exit charges	$ 0	$ 0	$ 0	$ 0