BUSINESS REORGANIZATION EXPENSES (Changes in accrued business reorganization expenses) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013 Employee
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Number of Positions Eliminated	59
Restructuring Reserve [Roll Forward]
Balance, beginning of year	$ 3,420
Changes in estimate	15
Additional charges	3,944
Payments	(3,872)
Balance, end of period	3,507
Lease termination payments
Restructuring Reserve [Roll Forward]
Balance, beginning of year	2,678
Changes in estimate	15
Additional charges	520
Payments	(1,431)
Balance, end of period	1,782
Employee termination benefits
Restructuring Reserve [Roll Forward]
Balance, beginning of year	715
Changes in estimate	0
Additional charges	3,072
Payments	(2,065)
Balance, end of period	1,722
Other associated costs
Restructuring Reserve [Roll Forward]
Balance, beginning of year	27
Changes in estimate	0
Additional charges	352
Payments	(376)
Balance, end of period	$ 3