DISCONTINUED OPERATIONS Summary of Discontinued Operations (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income tax expense	$ (5,966)	$ (31,117)	$ (21,231)	$ (63,868)
Income from discontinued operations, net	12,084	48,260	43,092	176,967
Performance Fibers business [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sales	212,680	254,189	456,180	540,855
Cost of sales and other	(174,961)	(174,650)	(368,868)	(366,584)
Transaction expenses	(19,669)	(102)	(22,989)	(186)
Income from discontinued operations before income taxes	18,050	79,437	64,323	174,085
Income tax expense	(5,966)	(31,177)	(21,231)	(41,595)
Income from discontinued operations, net	12,084	48,260	43,092	132,490
Wood Products business [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sales				16,968
Cost of sales and other				(14,258)
Gain on sale of discontinued operations				64,040
Income from discontinued operations before income taxes				66,750
Income tax expense				(22,273)
Income from discontinued operations, net	$ 0	$ 0	$ 0	$ 44,477