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Rationalizations (Details) - USD ($) $ in Millions | 3 Months Ended | 5 Months Ended | 7 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Sep. 30, 2014 | Dec. 31, 2015 | Aug. 14, 2015 | Dec. 31, 2017 | Dec. 31, 2016
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Rationalizations liability |  |  |  | $ 0.0 | $ 0.1
Restructuring costs |  | $ 0.4 |  | $ 0.7 | $ 2.4
2014 Corporate and Research & Development Rationalization [Member] |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Percent of positions eliminated | 25.00% |  |  |  |
Predecessor [Member] |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring costs |  |  | $ 4.4 |  |

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- Definition The number of positions eliminated during the period as a percentage of total positions eliminated during the period in connection with the restructuring plan(s). + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 + Details
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- Details
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- Details
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