CONDENSED CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jan. 31, 2015	Jan. 31, 2014	Jan. 31, 2015	Jan. 31, 2014
Net sales	$ 282,628	$ 291,194	$ 592,868	$ 598,724
Cost of products sold	144,425	148,658	304,503	298,341
Gross margin	138,203	142,536	288,365	300,383
Operating expenses:
Research and development	8,948	8,440	18,579	17,027
Selling, general and administrative	107,565	111,426	216,846	224,159
Restructuring charges	4,879	4,324	9,157	11,163
Total operating expenses	121,392	124,190	244,582	252,349
Operating income	16,811	18,346	43,783	48,034
Other income and (expense):
Investment and other income	211	255	535	1,017
Interest expense	(3,000)	(3,676)	(5,891)	(7,397)
Earnings from continuing operations before income taxes	14,022	14,925	38,427	41,654
Income tax expense	2,438	4,408	11,344	13,002
Earnings from continuing operations	11,584	10,517	27,083	28,652
Earnings (loss) from discontinued operations, net of income taxes	0	5,907	(1,915)	11,701
Net earnings	11,584	16,424	25,168	40,353
Weighted average common shares outstanding (in thousands):
Weighted average common shares outstanding, basic (in thousands):	51,272	52,208	51,262	52,140
Weighted average common shares outstanding, diluted (in thousands):	51,348	52,494	51,330	52,457
Class A nonvoting common stock
Other income and (expense):
Earnings from continuing operations	11,584	10,501	27,083	28,591
Earnings Per Share
Earnings from continuing operations per basic share	$ 0.23	$ 0.20	$ 0.53	$ 0.55
Earnings from continuing operations per diluted share	$ 0.23	$ 0.20	$ 0.53	$ 0.55
Earnings (loss) from discontinued operations per basic share	$ 0.00	$ 0.11	$ (0.04)	$ 0.22
Earnings (loss) from discontinued operations per diluted share	$ 0.00	$ 0.11	$ (0.04)	$ 0.22
Net earnings per share, basic	$ 0.23	$ 0.31	$ 0.49	$ 0.77
Net earnings per share, diluted	$ 0.23	$ 0.31	$ 0.49	$ 0.77
Dividends	$ 0.20	$ 0.195	$ 0.40	$ 0.39
Class B voting common stock
Other income and (expense):
Earnings from continuing operations	$ 11,584	$ 10,501	$ 26,288	$ 27,772
Earnings Per Share
Earnings from continuing operations per basic share	$ 0.23	$ 0.20	$ 0.51	$ 0.53
Earnings from continuing operations per diluted share	$ 0.23	$ 0.20	$ 0.51	$ 0.53
Earnings (loss) from discontinued operations per basic share	$ 0.00	$ 0.11	$ (0.03)	$ 0.23
Earnings (loss) from discontinued operations per diluted share	$ 0.00	$ 0.11	$ (0.04)	$ 0.22
Net earnings per share, basic	$ 0.23	$ 0.31	$ 0.48	$ 0.76
Net earnings per share, diluted	$ 0.23	$ 0.31	$ 0.47	$ 0.75
Dividends	$ 0.20	$ 0.195	$ 0.383	$ 0.373