Acquisitions - Pro Forma Information (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Business Combinations [Abstract]
Sales	$ 7,659.9	$ 7,625.3
Net earnings from continuing operations	$ 805.0	$ 898.7
Diluted net earnings per share from continuing operations (in dollars per share)	$ 2.37	$ 2.56