BUSINESS REORGANIZATION EXPENSES (Changes in accrued business reorganization expenses) (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2015 USD ($)
Restructuring Reserve [Roll Forward]
Balance, beginning of year	$ 3,764
Changes in estimate	466
Additional charges	5,116
Payments	(4,200)
Balance, end of period	5,146
Lease termination payments
Restructuring Reserve [Roll Forward]
Balance, beginning of year	1,992
Changes in estimate	466
Additional charges	2,116
Payments	(1,238)
Balance, end of period	3,336
Employee termination benefits
Restructuring Reserve [Roll Forward]
Balance, beginning of year	1,772
Changes in estimate	0
Additional charges	2,153
Payments	(2,301)
Balance, end of period	1,624
Other associated costs
Restructuring Reserve [Roll Forward]
Balance, beginning of year	0
Changes in estimate	0
Additional charges	847
Payments	(661)
Balance, end of period	$ 186