BUSINESS REORGANIZATION EXPENSES CHANGE IN ACCRUED REORGANIZATION EXPENSES (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012
Restructuring Reserve [Roll Forward]
Balance, beginning of year	$ 1,389
Changes in estimate	2,327
Additional charges	5,455
Payments	(5,751)
Balance, end of period	3,420
Lease Termination Payments
Restructuring Reserve [Roll Forward]
Balance, beginning of year	1,309
Changes in estimate	2,230
Additional charges	1,053
Payments	(1,914)
Balance, end of period	2,678
Employee termination benefits
Restructuring Reserve [Roll Forward]
Balance, beginning of year	75
Changes in estimate	97
Additional charges	4,286
Payments	(3,743)
Balance, end of period	715
Other associated costs
Restructuring Reserve [Roll Forward]
Balance, beginning of year	5
Changes in estimate	0
Additional charges	116
Payments	(94)
Balance, end of period	$ 27