Condensed Consolidated Statements Of Earnings - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Apr. 30, 2016	Apr. 30, 2015	Apr. 30, 2016	Apr. 30, 2015
Income Statement [Abstract]
Net sales	$ 571.3	$ 575.6	$ 1,626.5	$ 1,760.6
Cost of sales	374.7	381.5	1,081.0	1,154.3
Gross profit	196.6	194.1	545.5	606.3
Operating expenses	121.7	127.0	361.4	396.4
Operating income	74.9	67.1	184.1	209.9
Interest expense	5.3	3.9	15.8	11.1
Other income, net	(2.5)	(4.6)	(6.6)	(11.7)
Earnings before income taxes	72.1	67.8	174.9	210.5
Income taxes	17.3	20.0	43.6	58.8
Net earnings	$ 54.8	$ 47.8	$ 131.3	$ 151.7
Weighted average share - basic (in shares)	133.9	137.2	133.8	138.3
Weighted average shares - diluted (in shares)	134.7	138.8	134.7	140.0
Net earnings per share - basic (in usd per share)	$ 0.41	$ 0.35	$ 0.98	$ 1.10
Net earnings per share - diluted (in usd per share)	0.41	0.34	0.97	1.08
Dividends paid per share (in usd per share)	$ 0.170	$ 0.165	$ 0.510	$ 0.495