Consolidated Statements Of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 167.9	$ 152.9
Other comprehensive (loss) income:
Unrealized loss from hedge accounting, net of tax	(0.2)	(8.3)
Reclassification of hedge accounting gain to net income, net of tax	1.1	1.5
Foreign currency translation, net of tax	(42.4)	9.9
Other comprehensive (loss) income	(41.5)	3.1
Comprehensive income	$ 126.4	$ 156.0