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Discontinued Operations - Narrative (Details) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2017 USD ($) segment | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($) | Oct. 31, 2017 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Number of operating segments | segment | 1 |  |  |
Operating Loss | $ 43.1 | $ 107.1 | $ 135.7 |
S&IP Business | Continuing Operations |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Operating Loss | $ 116.0 | $ 114.0 | $ 133.0 |
S&IP Business | Discontinued operations, held for sale |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Consideration |  |  |  | $ 710.0

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