Discontinued Operations - Major Classes of Performance Fibers Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Jun. 27, 2014	Dec. 31, 2013
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Inventory	$ 15,351	$ 8,383
Property, plant and equipment, net	6,742	6,706
TOTAL ASSETS	2,319,263	2,453,115
Other current liabilities	21,103	25,857
Long-term debt	833,879	751,555
Non-current environmental liabilities		0		$ 69,543
PENSION AND OTHER POSTRETIREMENT BENEFITS	34,137	33,477
Other non-current liabilities	30,050	20,636
Deficit	612,760	790,697
TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY	$ 2,319,263	$ 2,453,115
Performance Fibers business
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Accounts receivable, net			$ 66,050
Inventory			121,705
Prepaid and other current assets			70,092
Property, plant and equipment, net			862,487
Other assets			103,400
TOTAL ASSETS			1,223,734
Accounts payable			65,522
Other current liabilities			51,006
Long-term debt			950,000
Non-current environmental liabilities			66,434
PENSION AND OTHER POSTRETIREMENT BENEFITS			102,633
Other non-current liabilities			7,269
Deficit			(19,130)
TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY			$ 1,223,734