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Discontinued Operations and Related Assets Held for Sale (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract] |  |  |
Inventories | $ (126,355) | $ (15,649) | $ (53,548)
Discontinued Operation, Alternative Cash Flow Information |  |  |
Cash received from divestitures | 0 | 27,254 | 15,889
Current Liabilities |  |  |
Total current liabilities of discontinued operations | 0 | 3,412 |
Engineered Solutions [Member] | Discontinued Operations, Held-for-sale [Member] |  |  |
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract] |  |  |
Net sales | 2,574 | 82,299 | 115,336
Cost of sales | 3,310 | 74,723 | 98,440
Gross (loss) profit | (736) | 7,576 | 16,896
Research and development | 0 | 1,429 | 3,145
Selling and administrative expenses | (628) | (12,239) | (19,022)
Gain on sale of assets | (508) | (6,091) | 198
Rationalizations | 0 | (35) | (405)
Impairment | 0 | 5,300 | 119,907
Operating loss | 400 | (5,266) | (124,971)
Other expense (income) | 30 | 115 | 66
Interest expense | 0 | 1,133 | 3,258
Income (loss) from discontinued operations before income taxes | 370 | (6,284) | (128,163)
Benefit for income taxes on discontinued operations | 39 | 55 | 1,189
Deferred income taxes | (40) | 55 | 1,189
Income (loss) from discontinued operations | $ 331 | $ (6,229) | $ (126,974)
Basic and diluted income (loss) from discontinued operations per share (usd per share) | $ 0.00 | $ (0.02) | $ (0.42)
Inventories | $ 502 | $ 15,217 | $ (917)
Discontinued Operation, Alternative Cash Flow Information |  |  |
Depreciation and amortization | 0 | 2,418 | 5,277
Cash received from divestitures |  | 27,254 | 15,889
Capital expenditures | 0 | 558 | 4,713
Line of Credit Facility, Increase (Decrease), Net | 0 | (27,254) | $ (15,889)
Current assets |  |  |
Accounts receivable | 0 | 3,351 |
Inventories | 0 | 502 |
Prepaid expenses and other current assets | 0 | 1,137 |
Net property, plant and equipment | 0 | 226 |
Other assets | 0 | 97 |
Total assets of discontinued operations | 0 | 5,313 |
Current Liabilities |  |  |
Accounts payable | 0 | 512 |
Accrued income and other taxes | 0 | 158 |
Other accrued liabilities | 0 | 2,742 |
Total current liabilities of discontinued operations | 0 | 3,412 |
Non-current Liabilities |  |  |
Other long-term obligations | 0 | 376 |
Total liabilities of discontinued operations | $ 0 | $ 3,788 |

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