Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Oct. 31, 2025	Oct. 31, 2024
CASH FLOWS FROM OPERATING ACTIVITIES
Net Income	$ 15,456	$ 16,376
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	5,805	5,381
Non-cash stock-based compensation	1,448	1,152
Provision for bad debts and cash discounts	(200)	628
Loss on impairment of patent applications	0	48
Accretion of Asset Retirement Obligation	62	47
Loss on the disposals of property, plant and equipment	257	80
(Increase) Decrease in assets:
Accounts receivable	3,077	(9,020)
Inventories	(5,082)	(2,033)
Prepaid expenses	1,387	2,228
Deferred income taxes	438	462
Other assets	1,808	962
Increase (Decrease) in liabilities:
Accounts payable	296	1,889
Accrued expenses	(13,828)	(6,117)
Deferred compensation	464	(3)
Other liabilities	(1,039)	(1,161)
Total Adjustments	(5,107)	(5,457)
Net Cash Provided by Operating Activities	10,349	10,919
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures	(9,066)	(12,817)
Net Cash Used in Investing Activities	(9,066)	(12,817)
CASH FLOWS FROM FINANCING ACTIVITIES
Payments on revolving credit facility	0	(5,000)
Dividends paid	(2,444)	(2,096)
Purchase of treasury stock	(6,960)	(1,984)
Net Cash Used in Financing Activities	(9,404)	(9,080)
Effect of exchange rate changes on Cash and Cash Equivalents	47	3
Net Decrease in Cash and Cash Equivalents	(8,074)	(10,975)
Cash, Cash Equivalents and Restricted Cash, Beginning of Period	50,458	24,481
Cash, Cash Equivalents and Restricted Cash, End of Period	42,384	13,506
Supplemental disclosure of non-cash investing and financing activities:
Restricted Cash	0	1,000
Interest payments, net of amounts capitalized	324	324
Income tax payments, net of refunds	74	265
Change in capital expenditures in accounts payable	(3,186)	(2,962)
Change in capital expenditures in accrued expenses	(1,286)	(4,540)
Cash dividends declared and accrued	2,433	2,098
Cash and cash equivalents	$ 42,384	$ 12,506