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RESTRUCTURING CHARGES AND IMPAIRMENT LOSSES (LIABILITY CLASSIFICATION TABLE) (DETAILS) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Restructuring Cost and Reserve [Line Items]
Restructuring charges, net	$ 809us-gaap_RestructuringCharges	$ 540us-gaap_RestructuringCharges
Customer Management Services [Member]
Restructuring Cost and Reserve [Line Items]
Reduction in force	776	511
Customer Growth Services [Member]
Restructuring Cost and Reserve [Line Items]
Reduction in force	0	29
Customer Strategy Services [Member]
Restructuring Cost and Reserve [Line Items]
Reduction in force	$ 33	$ 0

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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- Definition

Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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