Goodwill and Other Intangible Assets - Goodwill by Segment (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Goodwill [Roll Forward]
Balance at beginning of period	$ 5,582.6	$ 1,092.9
Acquisitions	479.3	4,379.0
Foreign currency translation and other	(80.3)	110.7
Balance at end of period	5,981.6	5,582.6
Industrial Technologies and Services
Goodwill [Roll Forward]
Balance at beginning of period	4,151.2	865.4
Acquisitions	87.9	3,213.5
Foreign currency translation and other	(61.8)	72.3
Balance at end of period	4,177.3	4,151.2
Precision and Science Technologies
Goodwill [Roll Forward]
Balance at beginning of period	1,431.4	227.5
Acquisitions	391.4	1,165.5
Foreign currency translation and other	(18.5)	38.4
Balance at end of period	$ 1,804.3	$ 1,431.4