RESTRUCTURING CHARGES AND IMPAIRMENT LOSSES (NARRATIVE) (DETAILS) (USD $)	9 Months Ended		3 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended
	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2012 Spain [Member]	Jun. 30, 2012 Spain [Member]	Sep. 30, 2012 Customer Management Services	Sep. 30, 2011 Customer Management Services	Sep. 30, 2012 Customer Management Services	Sep. 30, 2011 Customer Management Services	Mar. 31, 2012 Customer Growth Services
Asset Impairment [Line Items]
Impairment of leasehold improvements					$ 200,000	$ 0	$ 1,200,000	$ 200,000
Impairment of trade name									1,800,000
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	4,917,000	2,067,000	2,000,000	13,900,000
Payments	$ (17,844,000)		$ 11,900,000