CONDENSED CONSOLIDATED STATEMENTS OF EARNINGS - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Apr. 30, 2019	Apr. 30, 2018	Apr. 30, 2019	Apr. 30, 2018
Income Statement [Abstract]
Net sales	$ 712.8	$ 700.0	$ 2,117.9	$ 2,009.5
Cost of sales	472.1	460.2	1,413.4	1,326.5
Gross profit	240.7	239.8	704.5	683.0
Operating expenses	140.7	140.2	420.7	414.2
Operating income	100.0	99.6	283.8	268.8
Interest expense	5.2	5.4	14.7	15.7
Other income, net	(4.7)	(4.8)	(7.3)	(7.0)
Earnings before income taxes	99.5	99.0	276.4	260.1
Income taxes	24.3	29.1	67.3	182.2
Net earnings	$ 75.2	$ 69.9	$ 209.1	$ 77.9
Weighted average shares - basic (in shares)	128.2	130.1	128.5	130.5
Weighted average shares - diluted (in shares)	130.0	131.9	130.4	132.5
Net earnings per share - basic (in usd per share)	$ 0.59	$ 0.54	$ 1.63	$ 0.60
Net earnings per share - diluted (in usd per share)	0.58	0.53	1.60	0.59
Dividends paid per share (in usd per share)	$ 0.19	$ 0.18	$ 0.57	$ 0.54