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, 2018	$ 7,064.8	$ 266.4	$ (1,719.4)	$ 0.0	$ 9,439.8	$ (964.1)	$ 42.1
Beginning balance (shares) at Dec. 31, 2018		266.4
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	203.7				199.9		3.8
Other comprehensive income (loss)	5.9					5.5	0.4
Shares issued under incentive stock plans	6.3	$ 1.5		4.8
Shares issued under incentive stock plans (shares)		1.5
Repurchase of ordinary shares	(250.0)	$ (2.4)		(34.6)	(213.0)
Repurchase of ordinary shares (shares)		(2.4)
Share-based compensation	29.0			29.7	(0.7)
Dividends declared to noncontrolling interest	(9.3)						(9.3)
Cash dividends declared	127.7				127.7
Other	0.1			0.1
Ending balance (shares) at Mar. 31, 2019		265.5
Ending balance at Mar. 31, 2019	6,922.8	$ 265.5	(1,719.4)	0.0	9,298.3	(958.6)	37.0
Beginning balance at Dec. 31, 2019	7,312.4	$ 262.8	$ (1,719.4)	0.0	9,730.8	(1,006.6)	44.8
Beginning balance (shares) at Dec. 31, 2019		262.8	24.5
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	(25.9)				(29.2)		3.3
Other comprehensive income (loss)	(58.6)					(58.7)	0.1
Shares issued under incentive stock plans		$ 0.9
Shares issued under incentive stock plans (shares)		0.9
Stock Issued During Period, Value, Stock Options Exercised, net of tax remittances	(5.6)			(6.5)
Share-based compensation	27.6			29.0	(1.4)
Dividends declared to noncontrolling interest	(6.1)						(6.1)
Investment by JV Partner	(7.0)			(3.9)			3.1
Cash dividends declared	126.7				126.7
Distribution of Industrial Businesses	(1,334.3)				(1,445.6)	139.3	(28.0)
Ending balance (shares) at Mar. 31, 2020		263.7	24.5
Ending balance at Mar. 31, 2020	$ 5,789.8	$ 263.7	$ (1,719.4)	$ 26.4	$ 8,127.9	$ (926.0)	$ 17.2