GOODWILL (GOODWILL ROLLFORWARD) (DETAILS) $ in Thousands	6 Months Ended
	Jun. 30, 2016 USD ($)
Goodwill [Line Items]
Beginning balance, goodwill	$ 114,183
Acquisitions / Adjustments	154
Effect of Foreign Currency	(245)
Ending balance, goodwill	114,092
Customer Management Services [Member]
Goodwill [Line Items]
Beginning balance, goodwill	22,009
Effect of Foreign Currency	97
Ending balance, goodwill	22,106
Customer Growth Services [Member]
Goodwill [Line Items]
Beginning balance, goodwill	24,439
Ending balance, goodwill	24,439
Customer Technology Services [Member]
Goodwill [Line Items]
Beginning balance, goodwill	42,709
Acquisitions / Adjustments	154
Ending balance, goodwill	42,863
Customer Strategy Services [Member]
Goodwill [Line Items]
Beginning balance, goodwill	25,026
Effect of Foreign Currency	(342)
Ending balance, goodwill	$ 24,684