Consolidated Statements of Equity - USD ($) shares in Millions, $ in Millions	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Treasury Stock	Shareholders’ Equity	Noncontrolling Interests
Cumulative effect of accounting changes				$ 22.3	$ (22.3)
Beginning Balance at Dec. 31, 2018			$ 728.8	7,016.1	(1,228.5)	$ (4,013.9)		$ 559.8
Net Income	$ 279.7			263.2				16.5
Other comprehensive income (loss)	33.8				32.8			1.0
Dividends to noncontrolling interests								(17.0)
Acquisition of noncontrolling interests			0.4					(5.0)
Increase in noncontrolling interests from business combinations								1.0
Change in temporary equity			(18.2)
Common stock dividends declared				(144.6)
Share-based compensation			16.8
Stock issued, share-based compensation			(9.8)			11.7
Common stock repurchased						(286.1)
Ending Balance at Mar. 31, 2019	$ 2,969.6	$ 44.6	718.0	7,157.0	(1,218.0)	(4,288.3)	$ 2,413.3	556.3
Dividends Declared Per Common Share	$ 0.65
Common Stock, shares issued		297.2
Cumulative effect of accounting changes				0.0	0.0
Beginning Balance at Dec. 31, 2019	$ 3,373.7		760.9	7,806.3	(1,197.6)	(4,560.3)		519.8
Net Income	271.7			258.1				13.6
Other comprehensive income (loss)	(368.0)				(330.7)			(37.3)
Dividends to noncontrolling interests								(10.4)
Acquisition of noncontrolling interests			(7.7)					(8.7)
Increase in noncontrolling interests from business combinations								0.0
Change in temporary equity			(8.2)
Common stock dividends declared				(139.9)
Share-based compensation			18.7
Stock issued, share-based compensation			(7.9)			11.3
Common stock repurchased						(200.0)
Ending Balance at Mar. 31, 2020	$ 2,924.6	$ 44.6	$ 755.8	$ 7,924.5	$ (1,528.3)	$ (4,749.0)	$ 2,447.6	$ 477.0
Dividends Declared Per Common Share	$ 0.65
Common Stock, shares issued		297.2