Condensed Consolidated Statements of Earnings - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Income Statement [Abstract]
Net sales	$ 1,554.2	$ 1,413.3	$ 4,479.0	$ 4,289.3
Cost of sales	834.0	772.7	2,414.7	2,340.3
Gross profit	720.2	640.6	2,064.3	1,949.0
Operating and administrative expenses	401.8	350.5	1,147.8	1,071.6
Operating income	318.4	290.1	916.5	877.4
Interest income	0.1	0.1	0.1	0.3
Interest expense	(2.4)	(2.6)	(7.3)	(7.2)
Earnings before income taxes	316.1	287.6	909.3	870.5
Income tax expense	72.6	66.1	215.5	207.5
Net earnings	$ 243.5	$ 221.5	$ 693.8	$ 663.0
Basic net earnings per share (in dollars per share)	$ 0.42	$ 0.39	$ 1.21	$ 1.16
Diluted net earnings per share (in dollars per share)	$ 0.42	$ 0.38	$ 1.20	$ 1.15
Basic weighted average shares outstanding (in shares)	574,973,196	573,913,929	574,637,254	573,673,031
Diluted weighted average shares outstanding (in shares)	577,259,839	576,117,331	576,928,254	575,470,232