BUSINESS REORGANIZATION EXPENSES (Changes in accrued business reorganization expenses) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013 Employee
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Number of Positions Eliminated	44
Restructuring Reserve [Roll Forward]
Balance, beginning of year	$ 3,420
Changes in estimate	15
Additional charges	3,216
Payments	(2,656)
Balance, end of period	3,995
Lease termination payments
Restructuring Reserve [Roll Forward]
Balance, beginning of year	2,678
Changes in estimate	15
Additional charges	520
Payments	(1,017)
Balance, end of period	2,196
Employee termination benefits
Restructuring Reserve [Roll Forward]
Balance, beginning of year	715
Changes in estimate	0
Additional charges	2,356
Payments	(1,275)
Balance, end of period	1,796
Other associated costs
Restructuring Reserve [Roll Forward]
Balance, beginning of year	27
Changes in estimate	0
Additional charges	340
Payments	(364)
Balance, end of period	$ 3