Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (53.2)	$ 35.9	$ (102.3)	$ 67.4
Other comprehensive income (loss):
Unrealized loss on derivatives for cash flow hedges, net of taxes	(20.7)	0.0	(59.9)	0.0
Foreign currency translation	49.6	35.4	20.3	5.2
Defined benefit pension and retiree health benefit plans, net of taxes	(1.1)	0.2	(1.5)	2.2
Other comprehensive income (loss), net of tax	27.8	35.6	(41.1)	7.4
Comprehensive income (loss)	$ (25.4)	$ 71.5	$ (143.4)	$ 74.8