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, 2018			235.6
Total stockholders’ equity, beginning balance at Dec. 31, 2018	$ 1,310.5		$ 245.3	$ 1,409.5	$ 198.6		$ (312.2)	$ (336.1)	$ 105.4
Total stockholders’ equity, beginning balance (Accounting Standards Update 2016-02) at Dec. 31, 2018		$ (0.7)				$ (0.7)
Total stockholders’ equity, beginning balance (Accounting Standards Update 2014-09) at Dec. 31, 2018		(3.7)				(3.7)
Comprehensive income (loss):
Net income	252.6				249.0				3.6
Net realized and unrealized gain (loss) on derivatives, net of tax	(28.3)							(28.3)
Long-term employee benefit plans, net of tax	(33.5)							(33.5)
Foreign currency translation, net of tax	5.4							2.4	3.0
Comprehensive income	196.2				249.0			(59.4)	6.6
Recognition of stock-based compensation	15.7			15.7
Shares issued under compensation plans (in shares)			3.4
Shares issued under compensation plans	49.5		$ 4.6	44.9
Changes in ownership of noncontrolling interests	(51.1)			4.0					(55.1)
Common stock purchases (in shares)			(4.1)
Common stock purchases	(105.3)						(105.3)
Dividends declared to noncontrolling interests	(1.5)								(1.5)
Total stockholders' equity, ending balance (in shares) at Dec. 31, 2019			234.9
Total stockholders’ equity, ending 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
Shares issued under compensation plans (in shares)			0.8
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	250.9		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
Shares issued under compensation plans (in shares)			0.8
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)
Dividends declared to noncontrolling interests	$ (0.7)								(0.7)
Total stockholders' equity, ending balance (in shares) at Dec. 31, 2021	251.8		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