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Revenue Recognition and Contracts with Customers (Revenue from External Customers by Geographic Areas) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Sales Revenue, Goods, Net	$ 32.9	$ 37.9	$ 54.2	$ 38.7
United States [Member]
Sales Revenue, Goods, Net	32.9	10.9	54.0	11.1
Asia [Member]
Sales Revenue, Goods, Net	0.0	27.0	0.1	27.6
Other Region [Member]
Sales Revenue, Goods, Net	$ 0.0	$ 0.0	$ 0.1	$ 0.0

X

- Definition

Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1(a))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

+ Details

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- Details

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X

- Details

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X

- Details

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