Condensed Consolidated Statements Of Earnings - USD ($) $ in Millions	3 Months Ended
	Oct. 31, 2015	Oct. 31, 2014
Income Statement [Abstract]
Net sales	$ 538.0	$ 596.5
Cost of sales	359.9	387.4
Gross profit	178.1	209.1
Operating expenses	122.6	132.1
Operating income	55.5	77.0
Interest expense	5.0	3.5
Other income, net	(2.9)	(3.8)
Earnings before income taxes	53.4	77.3
Income taxes	14.9	21.4
Net earnings	$ 38.5	$ 55.9
Weighted average shares - basic (in shares)	133,866,834	139,581,380
Weighted average shares - diluted (in shares)	134,856,268	141,480,267
Net earnings per share - basic (in usd per share)	$ 0.29	$ 0.40
Net earnings per share - diluted (in usd per share)	0.29	0.40
Dividends paid per share (in usd per share)	$ 0.170	$ 0.165