Condensed Consolidated Statements Of Earnings - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Oct. 31, 2016	Oct. 31, 2015
Income Statement [Abstract]
Net sales	$ 553.0	$ 538.0
Cost of sales	358.8	359.9
Gross profit	194.2	178.1
Operating expenses	117.8	122.6
Operating income	76.4	55.5
Other income, net	(8.1)	(2.9)
Interest expense	4.8	5.0
Earnings before income taxes	79.7	53.4
Income taxes	21.7	14.9
Net earnings	$ 58.0	$ 38.5
Weighted average share - basic (in shares)	133.4	133.9
Weighted average shares - diluted (in shares)	134.6	134.9
Net earnings per share - basic (in usd per share)	$ 0.43	$ 0.29
Net earnings per share - diluted (in usd per share)	0.43	0.29
Dividends paid per share (in usd per share)	$ 0.175	$ 0.170