Condensed Consolidated Statement of Comprehensive Income (Parenthetical) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Other comprehensive income (loss), foreign currency translation adjustment, tax	$ (60.0)	$ 72.3
Other comprehensive income (loss), derivatives qualifying as hedges, tax	0.2	(1.2)
Other comprehensive income (loss), pension and other postretirement benefit plans, tax	$ 0.0	$ (0.9)