Consolidated Statement of Changes in Stockholders Equity - USD ($) shares in Millions, $ in Millions	Total	Cumulative Effect, Period of Adoption, Adjustment	Common Stock	Capital In Excess Of Par	Retained Earnings	Retained Earnings Cumulative Effect, Period of Adoption, Adjustment	Treasury Shares, at cost	Accumulated Other Comprehensive Loss	Non-controlling Interests
Total stockholders' equity, beginning balance (in shares) at Dec. 31, 2019			234.9
Total stockholders’ equity, beginning balance at Dec. 31, 2019	$ 1,409.6	$ (1.5)	$ 249.9	$ 1,474.1	$ 443.2	$ (1.5)	$ (417.5)	$ (395.5)	$ 55.4
Comprehensive income (loss):
Net income	122.0				121.6				0.4
Net realized and unrealized gain (loss) on derivatives, net of tax	(25.5)							(25.5)
Long-term employee benefit plans, net of tax	(18.8)							(18.8)
Foreign currency translation, net of tax	13.8							15.0	(1.2)
Comprehensive income	91.5				121.6			(29.3)	(0.8)
Recognition of stock-based compensation	15.1			15.1
Net shares issued under compensation plans (in shares)			0.8
Net shares issued under compensation plans	4.2		$ 1.0	3.2
Changes in ownership of noncontrolling interests	(12.2)			(5.3)					(6.9)
Common stock purchases (in shares)			(0.9)
Common stock purchases	(26.0)						(26.0)
Dividends declared to noncontrolling interests	(0.9)								(0.9)
Total stockholders' equity, ending balance (in shares) at Dec. 31, 2020			234.8
Total stockholders’ equity, ending balance at Dec. 31, 2020	1,479.8		$ 250.9	1,487.1	563.3		(443.5)	(424.8)	46.8
Comprehensive income (loss):
Net income	264.4				263.9				0.5
Net realized and unrealized gain (loss) on derivatives, net of tax	31.4							31.4
Long-term employee benefit plans, net of tax	28.3							28.3
Foreign currency translation, net of tax	(50.1)							(49.3)	(0.8)
Comprehensive income	274.0				263.9			10.4	(0.3)
Recognition of stock-based compensation	14.9			14.9
Net shares issued under compensation plans (in shares)			0.8
Net shares issued under compensation plans	14.4		$ 0.9	13.5
Common stock purchases (in shares)			(8.2)
Common stock purchases	(243.7)						(243.7)		0.0
Dividends declared to noncontrolling interests	(0.7)								(0.7)
Total stockholders' equity, ending balance (in shares) at Dec. 31, 2021			227.4
Total stockholders’ equity, ending balance at Dec. 31, 2021	1,538.7		$ 251.8	1,515.5	827.2		(687.2)	(414.4)	45.8
Comprehensive income (loss):
Net income	192.2				191.6				0.6
Net realized and unrealized gain (loss) on derivatives, net of tax	25.6							25.6
Long-term employee benefit plans, net of tax	24.1							24.1
Foreign currency translation, net of tax	(102.6)							(102.2)	(0.4)
Comprehensive income	139.3				191.6			(52.5)	0.2
Recognition of stock-based compensation	$ 22.2			22.2
Net shares issued under compensation plans (in shares)	0.1		0.6
Net shares issued under compensation plans	$ (0.3)		$ 0.6	(0.9)
Changes in ownership of noncontrolling interests	(0.2)			(0.3)					0.1
Common stock purchases (in shares)			(7.4)
Common stock purchases	(200.1)						(200.1)		0.0
Dividends declared to noncontrolling interests	(0.1)								(0.1)
Total stockholders' equity, ending balance (in shares) at Dec. 31, 2022			220.6
Total stockholders’ equity, ending balance at Dec. 31, 2022	$ 1,499.5		$ 252.4	$ 1,536.5	$ 1,018.8		$ (887.3)	$ (466.9)	$ 46.0