CONDENSED CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Apr. 30, 2014	Apr. 30, 2013	Apr. 30, 2014	Apr. 30, 2013
Net sales	$ 309,577	$ 302,483	$ 908,301	$ 847,200
Cost of products sold	154,457	143,082	452,797	395,723
Gross margin	155,120	159,401	455,504	451,477
Operating expenses:
Research and development	8,648	8,062	25,675	24,162
Selling, general and administrative	116,666	111,864	340,825	320,874
Restructuring charges	3,039	8,540	14,202	10,473
Total operating expenses	128,353	128,466	380,702	355,509
Operating income	26,767	30,935	74,802	95,968
Other income and (expense):
Investment and other income	872	1,133	1,887	2,427
Interest expense	(3,381)	(4,186)	(10,777)	(12,755)
Earnings from continuing operations before income taxes	24,258	27,882	65,912	85,640
Income tax expense	4,074	6,202	17,077	48,340
Earnings from continuing operations	20,184	21,680	48,835	37,300
Earnings (loss) from discontinued operations, net of income taxes	3,904	(17,447)	15,606	(14,564)
Net earnings	24,088	4,233	64,441	22,736
Earnings Per Share
Earnings from continuing operations per basic share	$ 0.39	$ 0.42	$ 0.94	$ 0.72
Earnings from continuing operations per diluted share	$ 0.39	$ 0.42	$ 0.93	$ 0.72
Weighted average common shares outstanding (in thousands):
Weighted average common shares outstanding, basic (in thousands):	51,933	51,415	52,071	51,210
Weighted average common shares outstanding, diluted (in thousands):	52,000	52,041	52,304	51,685
Class A nonvoting common stock
Other income and (expense):
Earnings from continuing operations	20,168	21,620	48,759	37,121
Earnings Per Share
Earnings from continuing operations per basic share	$ 0.39	$ 0.42	$ 0.94	$ 0.72
Earnings from continuing operations per diluted share	$ 0.39	$ 0.42	$ 0.93	$ 0.72
Earnings (loss) from discontinued operations per basic share	$ 0.07	$ (0.34)	$ 0.30	$ (0.28)
Earnings (loss) from discontinued operations per diluted share	$ 0.07	$ (0.34)	$ 0.30	$ (0.28)
Net earnings per share, basic	$ 0.46	$ 0.08	$ 1.24	$ 0.44
Net earnings per share, diluted	$ 0.46	$ 0.08	$ 1.23	$ 0.44
Dividends	$ 0.195	$ 0.19	$ 0.585	$ 0.57
Class B voting common stock
Other income and (expense):
Earnings from continuing operations	$ 20,168	$ 21,620	$ 47,940	$ 36,319
Earnings Per Share
Earnings from continuing operations per basic share	$ 0.39	$ 0.42	$ 0.92	$ 0.71
Earnings from continuing operations per diluted share	$ 0.39	$ 0.42	$ 0.92	$ 0.70
Earnings (loss) from discontinued operations per basic share	$ 0.07	$ (0.34)	$ 0.30	$ (0.29)
Earnings (loss) from discontinued operations per diluted share	$ 0.07	$ (0.34)	$ 0.29	$ (0.28)
Net earnings per share, basic	$ 0.46	$ 0.08	$ 1.22	$ 0.42
Net earnings per share, diluted	$ 0.46	$ 0.08	$ 1.21	$ 0.42
Dividends	$ 0.195	$ 0.19	$ 0.568	$ 0.553