Consolidated Statements Of Operations And Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Statement of Comprehensive Income [Abstract]
Net sales	$ 451,899	$ 104,739
Cost of sales	145,149	103,453
Lower of cost or market inventory adjustment		1,300
Gross profit	306,750	1,286
Research and development	429	820
Selling and administrative expenses	15,876	11,656
Operating loss	290,445	(11,190)
Other expense (income), net	2,005	3,304
Interest expense	37,865	7,546
Interest income	(115)	(123)
Loss from continuing operations before provision for income taxes	250,690	(21,917)
Provision for (benefit from) income taxes	28,643	361
Net income (loss) from continuing operations	222,047	(22,278)
(Loss) income from discontinued operations, net of tax	1,626	(4,066)
Net loss	$ 223,673	$ (26,344)
Net income (loss) per share (usd per share)	$ 0.74	$ (0.09)
Income (loss) from continuing operations per common share (usd per share)	$ 0.73	$ (0.07)
Weighted average common shares outstanding (shares)	302,225,923	302,225,923
Other comprehensive income:
Net loss	$ 223,673	$ (26,344)
Foreign currency translation adjustments	5,040	4,840
Commodities and foreign currency derivatives and other, net of tax of $10, $13 and $(12), respectively	(6,113)	0
Other comprehensive (loss) income, net of tax	(1,073)	4,840
Comprehensive loss	$ 222,600	$ (21,504)