Divestitures and Discontinued Operations - Narrative (Details) $ in Millions	12 Months Ended
Dec. 31, 2017 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Trade sales	$ 25.1
EBIT	(2.3)
Disposal group, not discontinued operation, gain (loss) on disposal	(3.3)
Real estate \| Disposal Group, Divested, Not Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal group, not discontinued operation, gain (loss) on disposal	$ 23.4

Amount of revenue attributable to disposal group, including, but not limited to, discontinued operation.

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Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations.

+ References

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-Publisher FASB
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Amount before tax of income (loss) from an individually significant component disposed of or held-for-sale including the portion attributable to the noncontrolling interest. Excludes discontinued operations.

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