Condensed Consolidated Statements of Stockholders' Equity - USD ($) shares in Millions, $ in Millions	Total	Ordinary shares	Ordinary shares held in treasury, at cost	Capital in excess of par value	Retained earnings	Accumulated  other comprehensive income (loss)	Noncontrolling Interests
Beginning balance at Dec. 31, 2020	$ 6,427.1	$ 263.3	$ (1,719.4)	$ 0.0	$ 8,495.3	$ (631.5)	$ 19.4
Beginning balance (shares) at Dec. 31, 2020		263.3
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	237.8				235.2		2.6
Other comprehensive income (loss)	(70.7)					(68.3)	(2.4)
Shares issued under incentive stock plans		$ (1.0)
Shares issued under incentive stock plans (shares)		1.0
Stock Issued During Period, Value, Stock Options Exercised, net of tax remittances	(7.0)			(8.0)
Repurchase of ordinary shares	(104.2)	$ (0.7)		(16.7)	(86.8)
Repurchase of ordinary shares (shares)		(0.7)
Share-based compensation	24.2			24.7	(0.5)
Dividends declared to noncontrolling interest	(3.5)						(3.5)
Cash dividends declared	141.0				141.0
Stockholders' Equity Note, Spinoff Transaction	(49.9)				(49.9)	0.0	0.0
Ending balance (shares) at Mar. 31, 2021		263.6
Ending balance at Mar. 31, 2021	6,312.8	$ 263.6	(1,719.4)	0.0	8,452.3	(699.8)	16.1
Beginning balance at Dec. 31, 2021	6,273.1	$ 259.7	$ (1,719.4)	0.0	8,353.2	(637.6)	17.2
Beginning balance (shares) at Dec. 31, 2021		259.7	24.5
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	263.4				260.2		3.2
Other comprehensive income (loss)	(1.4)					(1.4)	0.0
Shares issued under incentive stock plans		$ (0.5)
Shares issued under incentive stock plans (shares)		0.5
Stock Issued During Period, Value, Stock Options Exercised, net of tax remittances	(24.2)			(24.7)
Repurchase of ordinary shares	(350.0)	$ (1.9)		3.3	(351.4)
Repurchase of ordinary shares (shares)		(1.9)	0.0
Share-based compensation	21.4			21.3	0.1
Dividends declared to noncontrolling interest	(2.5)						(2.5)
Cash dividends declared	156.7				156.7
Stockholders' Equity Note, Spinoff Transaction	(6.7)				(6.7)	0.0	0.0
Other	(0.1)			(0.1)
Ending balance (shares) at Mar. 31, 2022		258.3	24.5
Ending balance at Mar. 31, 2022	$ 6,016.5	$ 258.3	$ (1,719.4)	$ 0.0	$ 8,098.7	$ (639.0)	$ 17.9