Condensed Consolidated Statements of Earnings - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Income Statement [Abstract]
Net sales	$ 1,507.7	$ 1,509.0	$ 2,924.7	$ 2,876.0
Cost of sales	807.0	837.4	1,580.6	1,567.6
Gross profit	700.7	671.6	1,344.1	1,308.4
Operating and administrative expenses	382.9	355.6	746.0	721.1
Operating income	317.8	316.0	598.1	587.3
Interest income	0.0	0.1	0.0	0.2
Interest expense	(2.6)	(2.4)	(5.0)	(4.6)
Earnings before income taxes	315.2	313.7	593.1	582.9
Income tax expense	75.5	74.8	142.8	141.4
Net earnings	$ 239.7	$ 238.9	$ 450.3	$ 441.5
Basic net earnings per share (in dollars per share)	$ 0.42	$ 0.42	$ 0.78	$ 0.77
Diluted net earnings per share (in dollars per share)	$ 0.42	$ 0.42	$ 0.78	$ 0.77
Basic weighted average shares outstanding (in shares)	574,592,653	573,197,303	574,465,377	573,550,730
Diluted weighted average shares outstanding (in shares)	576,951,658	574,952,000	576,754,733	575,128,270