GOODWILL (GOODWILL ROLLFORWARD) (DETAILS) $ in Thousands	9 Months Ended
Sep. 30, 2017 USD ($)
Goodwill [Line Items]
Beginning balance, goodwill	$ 129,648
Acquisitions / Adjustments	34,001
Effect of Foreign Currency	2,935
Ending balance, goodwill	166,584
Customer Management Services
Goodwill [Line Items]
Beginning balance, goodwill	42,589
Acquisitions / Adjustments	34,662
Effect of Foreign Currency	2,140
Ending balance, goodwill	79,391
Customer Growth Services
Goodwill [Line Items]
Beginning balance, goodwill	24,439
Ending balance, goodwill	24,439
Customer Technology Services
Goodwill [Line Items]
Beginning balance, goodwill	41,500
Acquisitions / Adjustments	(661)
Ending balance, goodwill	40,839
Customer Strategy Services
Goodwill [Line Items]
Beginning balance, goodwill	21,120
Effect of Foreign Currency	795
Ending balance, goodwill	$ 21,915

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975

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Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

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