Management Actions (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2019	Jun. 30, 2019	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018	Dec. 31, 2017
Restructuring Cost and Reserve [Line Items]
Approximate time anticipated savings will offset the restructuring charge			1 year
Other Actions [Abstract]
Note Receivable Writedown	$ 2.7		$ 2.7	$ 0.0
Product Discontinuation Reserve	0.4	$ 2.4
Restructuring Reserve [Roll Forward]
Restructuring Charges, net of noncash expenses						$ 3.4
Restructuring Reserve beginning balance			2.2
Cash Payments			(1.4)		$ (2.1)
Foreign currency adjustments			(0.1)		(0.1)
Restructuring Reserve ending balance	$ 5.0		5.0		2.2
Selling and Administrative Expense
Restructuring Cost and Reserve [Line Items]
Restructuring Charges			4.3		1.0
Restructuring Reserve [Roll Forward]
Restructuring Charges			$ 4.3		$ 1.0