CONSOLIDATED STATEMENTS OF EARNINGS - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Jul. 31, 2020	Jul. 31, 2019	Jul. 31, 2018
Income Statement [Abstract]
Net sales	$ 2,581.8	$ 2,844.9	$ 2,734.2
Cost of sales	1,710.2	1,896.6	1,798.4
Gross profit	871.6	948.3	935.8
Selling, general and administrative	470.3	497.8	498.9
Research and development	61.2	62.3	59.9
Operating income	340.1	388.2	377.0
Interest expense	17.4	19.9	21.3
Other income, net	(12.5)	(6.9)	(7.9)
Earnings before income taxes	335.2	375.2	363.6
Income taxes	78.2	108.0	183.3
Net earnings	$ 257.0	$ 267.2	$ 180.3
Weighted average shares – basic (in shares)	126.9	128.3	130.3
Weighted average shares – diluted (in shares)	128.3	130.3	132.2
Net earnings per share – basic (in dollars per share)	$ 2.03	$ 2.08	$ 1.38
Net earnings per share – diluted (in dollars per share)	$ 2.00	$ 2.05	$ 1.36