Nature of Operations - Reconciling Income to Continuing Operations (Details) - USD ($) $ in Millions |
12 Months Ended | ||
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Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
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| Segment Reporting [Abstract] | |||
| Operating income (loss) | $ (47.0) | $ 18.9 | $ (14.0) |
| Interest expense | 2.8 | 1.5 | 0.0 |
| Other expense, net | 0.2 | 5.8 | 3.6 |
| (Loss) income from continuing operations before income taxes | $ (50.0) | $ 11.6 | $ (17.6) |
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- Definition Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of the cost of borrowed funds accounted for as interest expense. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The net result for the period of deducting operating expenses from operating revenues. No definition available.
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- Definition Amount of expense related to nonoperating activities, classified as other. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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