BUSINESS REORGANIZATION EXPENSES (Changes in accrued business reorganization expenses) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014
Restructuring Reserve [Roll Forward]
Balance, beginning of year	$ 4,281
Changes in estimate	0
Additional charges	114
Payments	(1,272)
Balance, end of period	3,123
Lease termination payments
Restructuring Reserve [Roll Forward]
Balance, beginning of year	2,445
Changes in estimate	0
Additional charges	92
Payments	(244)
Balance, end of period	2,293
Employee termination benefits
Restructuring Reserve [Roll Forward]
Balance, beginning of year	1,780
Changes in estimate	0
Additional charges	15
Payments	(993)
Balance, end of period	802
Other associated costs
Restructuring Reserve [Roll Forward]
Balance, beginning of year	56
Changes in estimate	0
Additional charges	7
Payments	(35)
Balance, end of period	$ 28