BUSINESS REORGANIZATION EXPENSES (Reorganization expenses by Plan) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended		1 Months Ended	0 Months Ended	3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Jan. 31, 2012 2012 initial approval	Apr. 26, 2012 2012 subsequent approval	Jun. 30, 2012 2006 Plan	Jun. 30, 2011 2006 Plan	Jun. 30, 2012 2006 Plan	Jun. 30, 2011 2006 Plan	Jun. 30, 2012 2008 Plan	Jun. 30, 2011 2008 Plan	Jun. 30, 2012 2008 Plan	Jun. 30, 2011 2008 Plan	Jun. 30, 2012 2009 Plan	Jun. 30, 2011 2009 Plan	Jun. 30, 2012 2009 Plan	Jun. 30, 2011 2009 Plan	Jun. 30, 2012 2012 Plan	Jun. 30, 2011 2012 Plan	Jun. 30, 2012 2012 Plan	Jun. 30, 2011 2012 Plan
Restructuring Cost and Reserve [Line Items]
Board approved reorganization plan, amount					$ 1,000	$ 10,000
Business reorganization expenses	$ 5,090	$ 396	$ 6,030	$ 747			$ 1,809	$ 393	$ 1,809	$ 766	$ 0	$ 0	$ 0	$ 0	$ 77	$ 3	$ 28	$ (19)	$ 3,204	$ 0	$ 4,193	$ 0