Management Actions (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended		12 Months Ended
	Jun. 30, 2019	Jun. 30, 2019	Jun. 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
Restructuring Reserve [Roll Forward]
Restructuring Charges, net of noncash expenses					$ 3.4
Restructuring Reserve beginning balance		$ 2.2
Cash Payments		(0.7)		$ (2.1)
Foreign currency adjustments				(0.1)
Restructuring Reserve ending balance	$ 5.8	5.8		2.2
Other Actions [Abstract]
Note Receivable Writedown	2.7	2.7	$ 0.0
Product Discontinuation Reserve	$ 2.4
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