BUSINESS REORGANIZATION EXPENSES (Changes in accrued business reorganization expenses) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012
Restructuring Reserve [Roll Forward]
Balance, beginning of year	$ 1,389
Changes in estimate	1,837
Additional charges	4,193
Payments	(2,320)
Balance, end of period	5,099
Lease termination payments
Restructuring Reserve [Roll Forward]
Balance, beginning of year	1,309
Changes in estimate	1,760
Additional charges	488
Payments	(768)
Balance, end of period	2,789
Employee termination benefits
Restructuring Reserve [Roll Forward]
Balance, beginning of year	75
Changes in estimate	77
Additional charges	3,578
Payments	(1,474)
Balance, end of period	2,256
Other associated costs
Restructuring Reserve [Roll Forward]
Balance, beginning of year	5
Changes in estimate	0
Additional charges	127
Payments	(78)
Balance, end of period	$ 54