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Consolidated Statements Of Operations And Comprehensive Loss - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2017 | Mar. 31, 2016
Statement of Comprehensive Income [Abstract] |  |
Net sales | $ 104,739 | $ 95,576
Cost of sales | 102,357 | 97,014
Lower of cost or market inventory adjustment | 1,297 | 11,537
Gross profit | 1,085 | (12,975)
Research and development | 829 | 651
Selling and administrative expenses | 11,683 | 13,794
Operating loss | (11,427) | (27,420)
Other expense (income), net | 3,067 | 237
Interest expense | 7,546 | 6,460
Interest income | (123) | (12)
Loss from continuing operations before provision for income taxes | (21,917) | (34,105)
Provision for (benefit from) income taxes | 361 | (295)
Net loss from continuing operations | (22,278) | (33,810)
(Loss) income from discontinued operations, net of tax | (4,066) | (2,565)
Net loss | (26,344) | (36,375)
Other comprehensive income: |  |
Net loss | (26,344) | (36,375)
Foreign currency translation adjustments | 4,840 | 12,504
Commodities and foreign currency derivatives and other, net of tax of $10, $13 and $(12), respectively | 0 | 133
Other comprehensive (loss) income, net of tax | 4,840 | 12,637
Comprehensive loss | $ (21,504) | $ (23,738)

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