COMMITMENTS AND CONTINGENCIES (NARRATIVE) (DETAILS) (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013	Jun. 03, 2013
COMMITMENTS AND CONTINGENCIES [Abstract]
Increase in Borrowing Capacity				$ 1,000,000,000
Maximum Borrowing Capacity				700,000,000
Borrowings outstanding on credit facility	100,000,000		100,000,000
Average daily utilization under credit facility	270,900,000	219,600,000
Letters of credit issued under credit facility	3,500,000
Remaining borrowing capacity under credit facility	569,500,000
Letters of credit issued outside credit facility	$ 900,000
Loss Contingencies [Line Items]
Loss Contingency, Management's Assessment and Process	The Company settled the matter for an immaterial amount during the first quarter of 2014.
Google [Member]
Loss Contingencies [Line Items]
Loss Contingency, Actions Taken by Plaintiff	In the fourth quarter of 2012, a class action complaint was filed in the State of California against a TeleTech subsidiary and Google Inc. (“Google”), as co-defendants. Pursuant to its contractual commitments, the Company has agreed to indemnify Google for costs and expenses related to the complaint.