Redeemable Noncontrolling Interests (Tables)

12 Months Ended

Dec. 31, 2020

Redeemable Noncontrolling Interests [Abstract]

Redeemable Noncontrolling Interest [Table Text Block]

Changes in redeemable noncontrolling interests were as follows:

	2020		2019		2018
Balance at January 1	$	20.9	$	130.4	$	492.1
Other comprehensive income	—		(1.7)		(19.3)
Redemption value adjustment	(1.7)		(18.6)		2.8
Redemption of shares	—		(89.2)		(345.2)
Balance at December 31	$	19.2	$	20.9	$	130.4