DISCONTINUED OPERATIONS Major Classes of Performance Fibers Assets and Liabilities (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Jun. 27, 2014 Performance Fibers business [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Accounts receivable, net					$ 66,050
Inventory	12,439			138,818	121,705
Prepaid and other current assets					70,092
Property, plant and equipment, net	6,531			860,821	862,487
Other assets					103,400
TOTAL ASSETS	2,477,559			3,685,501	1,223,734
Accounts payable					65,522
Other current liabilities	26,596			24,327	51,006
Long-Term debt	735,648				950,000
Non-current environmental liabilities	0			69,543	66,434
Pension and other postretirement benefits	22,393			95,654	102,633
Other non-current liabilities	27,466			27,225	7,269
Deficit	820,181	887,648	994,624	1,015,209	(19,130)
TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY	$ 2,477,559			$ 3,685,501	$ 1,223,734