Segment Information Reconciliation (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Segment Reporting [Abstract]
Total segment income for reportable segments	$ 259.6	$ 242.6	$ 459.8	$ 455.7
Corporate and other	(74.5)	(76.5)	(519.5)	(137.8)
Other interest expense	(23.2)	(27.7)	(46.7)	(55.5)
Interest income	0.1	0.1	0.2	0.3
Other income (loss), net	214.5	(0.3)	211.5	1.6
INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	$ 376.5	$ 138.2	$ 105.3	$ 264.3