DISCONTINUED OPERATIONS - Summary of Discontinued Operations (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income tax expense	$ 0	$ 0		$ (21,231)
Income from discontinued operations, net	$ 0	0	$ 0	43,092
Performance Fibers business [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sales		0		456,180
Cost of sales and other		0		(368,868)
Transaction expenses		0		(22,989)
Income from discontinued operations before income taxes		0		64,323
Income tax expense		0		(21,231)
Income from discontinued operations, net		$ 0		$ 43,092