CONDENSED CONSOLIDATED STATEMENTS OF EARNINGS - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jan. 31, 2022	Jan. 31, 2021	Jan. 31, 2022	Jan. 31, 2021
Income Statement [Abstract]
Net sales	$ 802.5	$ 679.1	$ 1,563.4	$ 1,315.8
Cost of sales	552.7	453.8	1,056.6	867.8
Gross profit	249.8	225.3	506.8	448.0
Operating expenses	154.1	149.2	303.6	284.7
Operating income	95.7	76.1	203.2	163.3
Interest expense	3.6	3.3	7.1	6.8
Other (income) expense, net	(2.4)	(1.1)	(2.4)	0.4
Earnings before income taxes	94.5	73.9	198.5	156.1
Income taxes	22.7	17.7	49.7	38.0
Net earnings	$ 71.8	$ 56.2	$ 148.8	$ 118.1
Weighted average shares - basic (in shares)	123.9	126.6	124.1	126.7
Weighted average shares - diluted (in shares)	125.6	128.2	126.0	128.2
Net earnings per share - basic (in usd per share)	$ 0.58	$ 0.44	$ 1.20	$ 0.93
Net earnings per share - diluted (in usd per share)	$ 0.57	$ 0.44	$ 1.18	$ 0.92