Segment Information Reconciliation (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Segment Reporting [Abstract]
Total segment income for reportable segments	$ 555.9	$ 379.3	$ 1,557.2	$ 839.1
Corporate and other	(57.5)	(118.7)	(207.7)	(638.2)
Other interest expense	(24.1)	(23.6)	(66.2)	(70.3)
Other income (loss), net	(0.8)	6.5	19.1	218.2
INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	$ 473.5	$ 243.5	$ 1,302.4	$ 348.8