Consolidated Statements of Equity - USD ($) shares in Millions, $ in Millions	Total	Ordinary shares	Capital in excess of par value	Retained earnings	Accumulated other comprehensive loss	Noncontrolling interests
Beginning balance, value at Dec. 31, 2018	$ 654.0	$ 0.9	$ 0.0	$ 873.6	$ (223.5)	$ 3.0
Beginning balance, shares at Dec. 31, 2018		94.6
Net earnings	402.1			401.8		0.3
Other comprehensive income (loss), net of tax	4.8			0.0	4.9	(0.1)
Repurchase of ordinary shares	(226.0)	$ 0.0	(26.5)	(199.5)
Repurchase of ordinary shares		(2.3)
Share-based compensation	26.5	$ 0.0	26.5	0.0
Share-based compensation, shares		0.4
Dividends to noncontrolling interests	(0.2)			0.0		(0.2)
Cash dividends declared	$ (100.9)			(100.9)
Common Stock, Dividends, Per Share, Cash Paid	$ 1.08
Other	$ 0.1			0.1	0.0
Ending balance, value at Dec. 31, 2019	760.4	$ 0.9	0.0	975.1	(218.6)	3.0
Ending balance, shares at Dec. 31, 2019		92.7
Cumulative effect of adoption of ASC 326, Financial Instruments – Credit Losses	(2.2)			(2.2)
Net earnings	314.5			314.3		0.2
Other comprehensive income (loss), net of tax	61.8			0.0	61.5	0.3
Repurchase of ordinary shares	(208.8)	$ 0.0	(24.8)	(184.0)
Repurchase of ordinary shares		(1.9)
Share-based compensation	24.8	$ 0.0	24.8	0.0
Share-based compensation, shares		0.4
Dividends to noncontrolling interests	(0.3)			0.0		(0.3)
Cash dividends declared	$ (117.9)			(117.9)
Common Stock, Dividends, Per Share, Cash Paid	$ 1.28
Other	$ 0.3			0.3
Ending balance, value at Dec. 31, 2020	832.6	$ 0.9	0.0	985.6	(157.1)	3.2
Ending balance, shares at Dec. 31, 2020		91.2
Net earnings	483.3			483.0		0.3
Other comprehensive income (loss), net of tax	(37.2)			0.0	(37.3)	0.1
Repurchase of ordinary shares	(412.8)	$ 0.0	(25.8)	(387.0)
Repurchase of ordinary shares		(3.3)
Share-based compensation	25.8	$ 0.0	25.8	0.0
Share-based compensation, shares		0.3
Dividends to noncontrolling interests	(0.3)			0.0		(0.3)
Cash dividends declared	$ (129.0)			(129.0)
Common Stock, Dividends, Per Share, Cash Paid	$ 1.44
Ending balance, value at Dec. 31, 2021	$ 762.4	$ 0.9	$ 0.0	$ 952.6	$ (194.4)	$ 3.3
Ending balance, shares at Dec. 31, 2021		88.2