BUSINESS REORGANIZATION EXPENSES (Changes in accrued business reorganization expenses) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012
Restructuring Reserve [Roll Forward]
Balance, beginning of year	$ 1,389
Changes in estimate	1,831
Additional charges	5,720
Payments	(4,151)
Balance, end of period	4,789
Lease termination payments
Restructuring Reserve [Roll Forward]
Balance, beginning of year	1,309
Changes in estimate	1,831
Additional charges	1,032
Payments	(1,094)
Balance, end of period	3,078
Employee termination benefits
Restructuring Reserve [Roll Forward]
Balance, beginning of year	75
Changes in estimate	0
Additional charges	4,524
Payments	(2,918)
Balance, end of period	1,681
Other associated costs
Restructuring Reserve [Roll Forward]
Balance, beginning of year	5
Changes in estimate	0
Additional charges	164
Payments	(139)
Balance, end of period	$ 30