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Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable.

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Amount of revenue recognized that was previously reported as deferred or unearned revenue.

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Net Sales and Revenue Recognition - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Revenues [Abstract]
Net Reporting Amount	$ 13.6	$ 11.7	$ 34.4	$ 35.8
Deferred Revenue	$ 2.4		2.4		$ 1.3
Deferred Revenue Revenue Recognized			$ 1.3
Top Five Customers Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage					17.00%
Top Customer Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage					8.00%