CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) $ in Millions	Total	Common Shares Issued at Par Value	Capital Surplus	Retained Earnings	Accumulated Other Comprehensive Loss	Treasury Stock	Total Shareholders’ Equity	Noncontrolling Interest
Balance, beginning of period at Dec. 31, 2016	$ 1,145.7	$ 72.4	$ 276.9	$ 1,719.9	$ (476.1)	$ (459.3)	$ 1,133.8	$ 11.9
BALANCE DECEMBER 31, 2016	172.5			171.8			171.8	0.7
Cash dividends	(78.4)			(78.4)			(78.4)
Reaquisition on open market	(25.0)					(25.0)	(25.0)
Exercise of stock options, net of shares reacquired	30.6					30.6	30.6
Stock-based compensation	21.8		21.8				21.8
Impact from settlement of share-based awards, net of shares acquired	(5.4)		(7.0)			1.6	(5.4)
Deconsolidation of a joint venture	(9.4)							(9.4)
Changes in pension and postretirement plan assets and benefit obligation, net of tax	9.2				9.2		9.2
Currency translation adjustment	86.9				86.8		86.8	0.1
Balance, end of period at Dec. 31, 2017	1,348.5	72.4	291.7	1,813.3	(380.1)	(452.1)	1,345.2	3.3
BALANCE DECEMBER 31, 2016	335.5			335.6			335.6	(0.1)
Cash dividends	(83.5)			(83.5)			(83.5)
Reaquisition on open market	(50.1)					(50.1)	(50.1)
Exercise of stock options, net of shares reacquired	24.0					24.0	24.0
Stock-based compensation	21.6		21.6				21.6
Impact from settlement of share-based awards, net of shares acquired	(7.8)		(9.8)			2.0	(7.8)
Changes in pension and postretirement plan assets and benefit obligation, net of tax	(26.2)				(26.2)		(26.2)
Currency translation adjustment	(41.6)				(41.3)		(41.3)	(0.3)
Balance, end of period at Dec. 31, 2018	1,527.1	72.4	303.5	2,072.1	(447.6)	(476.2)	1,524.2	2.9
Cumulative Effect of New Accounting Principle in Period of Adoption	6.7			6.7			6.7
BALANCE DECEMBER 31, 2016	133.6			133.3			133.3	0.3
Cash dividends	(93.2)			(93.2)			(93.2)
Reaquisition on open market	(79.9)					(79.9)	(79.9)
Exercise of stock options, net of shares reacquired							11.5
Stock-based compensation	22.3		22.3				22.3
Impact from settlement of share-based awards, net of shares acquired	(8.4)		(10.2)			1.8	(8.4)
Deconsolidation of a joint venture	(0.5)							(0.5)
Impact from settlement of share-based awards, net of shares acquired						11.5
Changes in pension and postretirement plan assets and benefit obligation, net of tax	(47.7)				(47.7)		(47.7)
Currency translation adjustment	11.5				11.6		11.6	(0.1)
Balance, end of period at Dec. 31, 2019	$ 1,476.3	$ 72.4	$ 315.6	$ 2,112.2	$ (483.7)	$ (542.8)	$ 1,473.7	$ 2.6