DISCONTINUED OPERATIONS Interest Expense Allocated to Discontinued Operations (Details) (Performance Fibers business [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Performance Fibers business [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Interest allocated to the Performance Fibers business	$ (1,910)	$ (1,851)	$ (4,205)	$ (3,797)