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Discontinued Operations - Narrative (Details) $ in Millions |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
Apr. 30, 2018 USD ($) | Jun. 30, 2018 USD ($) | Jun. 30, 2017 USD ($) | Jun. 30, 2018 USD ($) segment | Jun. 30, 2017 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |
Net non-cash gain on Divestiture |  |  |  | $ 98.4 | $ 0.0
Number of operating segments | segment |  |  |  | 1 |
Expenses presented as component of S&IP kept in continuing operations |  | $ (8.8) | $ 12.1 | $ (1.8) | 29.7
S&IP Business |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |
Limited risk distributor, inventory |  | 33.7 |  | 33.7 |
S&IP Business | Continuing Operations |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |
Expenses presented as component of S&IP kept in continuing operations |  | $ 9.1 | $ 28.4 | $ 37.0 | $ 57.3
S&IP Business | Disposed of by sale |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |
Consideration | $ 710.0 |  |  |  |
Commercial agreements termination period | 2 years |  |  |  |

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- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. + References No definition available. + Details
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