BUSINESS REORGANIZATION EXPENSES (Changes in accrued business reorganization expenses) (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2015 USD ($)
Restructuring Reserve [Roll Forward]
Balance, beginning of year	$ 3,764
Changes in estimate	(97)
Additional charges	3,412
Payments	(3,011)
Balance, end of period	4,068
Lease termination payments
Restructuring Reserve [Roll Forward]
Balance, beginning of year	1,992
Changes in estimate	(97)
Additional charges	835
Payments	(726)
Balance, end of period	2,004
Employee termination benefits
Restructuring Reserve [Roll Forward]
Balance, beginning of year	1,772
Changes in estimate	0
Additional charges	2,021
Payments	(1,802)
Balance, end of period	1,991
Other associated costs
Restructuring Reserve [Roll Forward]
Balance, beginning of year	0
Changes in estimate	0
Additional charges	556
Payments	(483)
Balance, end of period	$ 73