Other Income (Expense), net (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Other Income and Expenses [Abstract]
Net foreign exchange transaction gain/(loss)	$ 6.0	$ (1.1)
Bank fee expense	(1.1)	(1.2)
Pension income other than service costs	0.8	0.4
Other, net	0.0	1.2
Other income (expense), net	$ 5.7	$ (0.7)