Consolidated Statements of Earnings - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Jul. 31, 2019	Jul. 31, 2018	Jul. 31, 2017
Income Statement [Abstract]
Net sales	$ 2,844.9	$ 2,734.2	$ 2,371.9
Cost of sales	1,896.6	1,798.4	1,551.0
Gross profit	948.3	935.8	820.9
Selling, general and administrative	497.8	498.9	442.6
Research and development	62.3	59.9	54.7
Operating income	388.2	377.0	323.6
Interest expense	19.9	21.3	19.5
Other income, net	(6.9)	(7.9)	(17.9)
Earnings before income taxes	375.2	363.6	322.0
Income taxes	108.0	183.3	89.2
Net earnings	$ 267.2	$ 180.3	$ 232.8
Weighted average shares – basic (in shares)	128.3	130.3	132.6
Weighted average shares – diluted (in shares)	130.3	132.2	134.1
Net earnings per share – basic (in dollars per share)	$ 2.08	$ 1.38	$ 1.76
Net earnings per share – diluted (in dollars per share)	$ 2.05	$ 1.36	$ 1.74