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Segment Reporting (Schedule Of Financial Information Concerning Reportable Segments) (Details) $ in Thousands | 1 Months Ended | 2 Months Ended | 3 Months Ended | 7 Months Ended | 9 Months Ended
--- | --- | --- | --- | --- | ---
Aug. 14, 2015 USD ($) | Sep. 30, 2015 USD ($) | Sep. 30, 2016 USD ($) | Aug. 14, 2015 USD ($) | Sep. 30, 2016 USD ($) segment | Sep. 30, 2015 USD ($)
Segment Reporting Information [Line Items] |  |  |  |  |  |
Number of reportable segments | segment |  |  |  |  | 2 |
Predecessor |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Total net sales | $ 51,604 |  |  | $ 339,907 |  |
Total operating loss | (21,060) |  |  | (68,249) |  |
Other expense (income), net | 269 |  |  | 1,421 |  |
Interest expense | 8,790 | $ 3,349 |  | 26,211 |  |
Interest income | (22) |  |  | (363) |  |
Loss from continuing operations before provision for income taxes | (30,097) |  |  | (95,518) |  |
Predecessor | Industrial Materials |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Total net sales | 51,604 |  |  | 339,907 |  |
Total operating loss | (2,588) |  |  | (24,900) |  |
Predecessor | Corporate, R&D and Other |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Total operating loss | $ (18,472) |  |  | $ (43,349) |  |
Successor |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Total net sales |  | 74,774 | $ 111,590 |  | $ 322,530 |
Total operating loss |  | (298) | (19,651) |  | (69,684) |
Other expense (income), net |  | 703 | (567) |  | (1,528) |
Interest expense |  | 3,349 | 6,964 |  | 19,860 |
Interest income |  | (21) | (158) |  | (169) |
Loss from continuing operations before provision for income taxes |  | (4,329) | (25,890) |  | (87,847) | $ (4,329)
Successor | Industrial Materials |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Total net sales |  | 74,774 | 111,590 |  | 322,530 |
Total operating loss |  | 2,918 | (14,238) |  | (50,776) |
Successor | Corporate, R&D and Other |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Total operating loss |  | $ (3,216) | $ (5,413) |  | $ (18,908) |

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