CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Oct. 31, 2016	Oct. 31, 2015
Net sales	$ 280,176	$ 283,073
Cost of products sold	139,818	143,724
Gross margin	140,358	139,349
Operating expenses:
Research and development	9,146	8,569
Selling, general and administrative	98,004	100,678
Total operating expenses	107,150	109,247
Operating income	33,208	30,102
Other expense:
Investment and other (expense) income	(489)	(759)
Interest expense	(1,732)	(2,151)
Earnings before income taxes	30,987	27,192
Income tax expense	8,434	8,489
Net earnings	$ 22,553	$ 18,703
Weighted average common shares outstanding (in thousands):
Weighted average common shares outstanding, basic (in thousands):	50,634	51,029
Weighted average common shares outstanding, diluted (in thousands):	51,455	51,089
Class A Nonvoting Common Stock
Earnings Per Share
Net earnings per share, basic	$ 0.45	$ 0.37
Net earnings per share, diluted	0.44	0.37
Dividends	$ 0.21	$ 0.20
Class B Voting Common Stock
Other expense:
Earnings from continuing operations	$ 21,751	$ 17,919
Earnings Per Share
Net earnings per share, basic	$ 0.43	$ 0.35
Net earnings per share, diluted	0.42	0.35
Dividends	$ 0.19	$ 0.19