Condensed Consolidated Statements of Stockholders' Equity - USD ($) shares in Millions, $ in Millions	Total	Debentures With Put Feature [Member]	Ordinary shares	Capital in excess of par value	Retained earnings	Accumulated  other comprehensive income (loss)	Noncontrolling Interests	Treasury Stock, Common
Beginning balance at Dec. 31, 2022	$ 6,105.2		$ 253.3	$ 0.0	$ 8,320.9	$ (766.2)	$ 16.6	$ (1,719.4)
Beginning balance (shares) at Dec. 31, 2022			253.3
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	311.1				307.1		4.0
Other comprehensive income (loss)	67.4					66.9	0.5
Shares issued under incentive stock plans (shares)			0.8
Stock Issued During Period, Value, Stock Options Exercised, net of tax remittances	(21.3)		$ 0.8	(20.5)
Repurchase of ordinary shares	(300.0)		$ (1.6)	(45.0)	(253.4)
Repurchase of ordinary shares (shares)			(1.6)
Share-based compensation	23.8			24.4	(0.6)
Dividends declared to noncontrolling interest	(2.9)						(2.9)
Cash dividends declared	171.7				171.7
Other	(0.1)			(0.1)
Ending balance (shares) at Mar. 31, 2023			252.5
Ending balance at Mar. 31, 2023	6,054.3		$ 252.5	0.0	8,202.3	(699.3)	18.2	(1,719.4)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Short-term borrowings and current maturities of long-term debt	801.9	$ 295.0
Beginning balance at Dec. 31, 2023	7,017.0		$ 251.7	0.0	9,133.7	(670.8)	21.8	$ (1,719.4)
Beginning balance (shares) at Dec. 31, 2023			251.7					24.5
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	439.8				436.3		3.5
Other comprehensive income (loss)	(76.8)					(75.5)	(1.3)
Shares issued under incentive stock plans (shares)			0.7
Stock Issued During Period, Value, Stock Options Exercised, net of tax remittances	6.1		$ 0.7	5.4
Repurchase of ordinary shares	(300.3)		$ (1.2)	(25.3)	(273.8)
Repurchase of ordinary shares (shares)			(1.2)					0.0
Share-based compensation	18.5			19.8	(1.3)
Dividends declared to noncontrolling interest	(2.9)						(2.9)
Cash dividends declared	190.7				190.7
Other	(0.1)			(0.1)
Ending balance (shares) at Mar. 31, 2024			251.2					24.5
Ending balance at Mar. 31, 2024	6,910.8		$ 251.2	$ 0.0	$ 9,104.2	$ (746.3)	$ 21.1	$ (1,719.4)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Short-term borrowings and current maturities of long-term debt	$ 902.1	$ 295.0