RESTRUCTURING CHARGES AND IMPAIRMENT LOSSES (LIABLITY ROLLFORWARD TABLE) (DETAILS) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012
Restructuring Cost and Reserve [Line Items]
Balance as of December 31, 2011	$ 2,067
Expense	21,069
Payments	(17,844)
Reversals	(375)
Balance as of September 30, 2012	4,917
Closure of Delivery Centers [Member]
Restructuring Cost and Reserve [Line Items]
Balance as of December 31, 2011	415
Expense	169
Payments	(209)
Reversals	(375)
Balance as of September 30, 2012	0
Reduction in Force [Member]
Restructuring Cost and Reserve [Line Items]
Balance as of December 31, 2011	1,652
Expense	20,900
Payments	(17,635)
Reversals	0
Balance as of September 30, 2012	$ 4,917