CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Apr. 30, 2026	Apr. 30, 2025	Apr. 30, 2026	Apr. 30, 2025
Net sales	$ 435,237	$ 382,590	$ 1,224,661	$ 1,116,330
Cost of goods sold	209,768	187,531	595,966	555,739
Gross margin	225,469	195,059	628,695	560,591
Operating expenses:
Research and development	23,531	19,191	71,132	56,835
Selling, general and administrative	128,732	108,678	354,195	326,410
Total operating expenses	152,263	127,869	425,327	383,245
Operating income	73,206	67,190	203,368	177,346
Other income (expense):
Investment and other income (expense)	1,431	(509)	3,948	2,850
Interest expense	(1,269)	(936)	(3,467)	(3,604)
Income before income taxes	73,368	65,745	203,849	176,592
Income tax expense	15,568	13,482	44,062	37,212
Net income	$ 57,800	$ 52,263	$ 159,787	$ 139,380
Weighted average common shares outstanding:
Basic	47,357	47,644	47,313	47,743
Diluted	47,814	48,066	47,761	48,196
Class A Nonvoting Common Stock
Earnings Per Share
Basic	$ 1.22	$ 1.10	$ 3.38	$ 2.92
Diluted	1.21	1.09	3.35	2.89
Class B Voting Common Stock
Earnings Per Share
Basic	1.22	1.10	3.36	2.90
Diluted	$ 1.21	$ 1.09	$ 3.33	$ 2.88