Other Expense, net (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Other Income and Expenses [Abstract]
Net foreign exchange transaction loss	$ (1.1)	$ (11.7)
Bank fee expense	(1.2)	(1.0)
Pension income other than service costs	0.4	2.5
Other, net	1.2	(1.8)
Other expense, net	$ (0.7)	$ (12.0)