CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Oct. 31, 2025	Oct. 31, 2024
Net sales	$ 405,287	$ 377,065
Cost of goods sold	196,455	187,376
Gross margin	208,832	189,689
Operating expenses:
Research and development	23,292	18,921
Selling, general and administrative	117,568	111,846
Total operating expenses	140,860	130,767
Operating income	67,972	58,922
Other income (expense):
Investment and other income	1,712	1,234
Interest expense	(1,208)	(1,356)
Income before income taxes	68,476	58,800
Income tax expense	14,540	12,017
Net income	$ 53,936	$ 46,783
Weighted average common shares outstanding:
Basic	47,273	47,732
Diluted	47,731	48,217
Class A Nonvoting Common Stock
Earnings Per Share
Basic	$ 1.14	$ 0.98
Diluted	1.13	0.97
Class B Voting Common Stock
Earnings Per Share
Basic	1.13	0.96
Diluted	$ 1.11	$ 0.95