RESTRUCTURING CHARGES AND IMPAIRMENT LOSSES (LIABILITY CLASSIFICATION TABLE) (DETAILS) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2013	Mar. 31, 2012
Restructuring Cost and Reserve [Line Items]
Restructuring charges, net	$ 851	$ 1,958
Customer Management Services [Member]
Restructuring Cost and Reserve [Line Items]
Reduction in force	694	1,855
Customer Growth Services [Member]
Restructuring Cost and Reserve [Line Items]
Reduction in force		103
Customer Strategy Services [Member]
Restructuring Cost and Reserve [Line Items]
Reduction in force	$ 157

Amount charged against earnings in the period for incurred and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding asset retirement obligations.

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The charge against earnings in the period for known and estimated costs of termination benefits provided to current employees that are involuntarily terminated under a benefit arrangement associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding costs or losses pertaining to an entity newly acquired in a business combination or a discontinued operation as defined by generally accepted accounting principles and costs associated with one-time termination benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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+ Details