Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jan. 31, 2026	Jan. 31, 2025	Jul. 31, 2025	Jul. 31, 2024
CASH FLOWS FROM OPERATING ACTIVITIES
Net Income	$ 28,025	$ 29,297
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	11,478	10,817
Non-cash stock-based compensation	2,805	2,542
Provision for bad debts and cash discounts	(120)	415
Loss on impairment of patent applications	0	49
Accretion of Asset Retirement Obligation	126	95
Loss on the disposals of property, plant and equipment	352	95
(Increase) Decrease in assets:
Accounts receivable	(637)	(4,424)
Inventories	(2,058)	(1,394)
Prepaid expenses	95	1,019
Deferred income taxes	344	110
Other assets	3,079	2,094
Increase (Decrease) in liabilities:
Accounts payable	(2,947)	1,989
Accrued expenses	(10,602)	(8,371)
Deferred compensation	594	289
Other liabilities	(2,099)	(2,292)
Total Adjustments	410	3,033
Net Cash Provided by Operating Activities	28,435	32,330
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures	(14,817)	(17,806)
Net Cash Used in Investing Activities	(14,817)	(17,921)
CASH FLOWS FROM FINANCING ACTIVITIES
Payments on revolving credit facility	0	(10,000)
Dividends paid	(4,877)	(4,194)
Purchase of treasury stock	(12,364)	(2,164)
Net Cash Used in Financing Activities	(17,241)	(16,358)
Effect of exchange rate changes on Cash and Cash Equivalents	98	57
Net Decrease in Cash and Cash Equivalents	(3,525)	(1,892)
Cash, Cash Equivalents and Restricted Cash, Beginning of Period	50,458	24,481
Cash, Cash Equivalents and Restricted Cash, End of Period	46,933	22,589
Supplemental disclosure of non-cash investing and financing activities:
Restricted Cash	0	0	$ 0	$ 1,000
Converted to unrestricted cash	0	(885)
Payments to Acquire Businesses, Net of Cash Acquired	0	(115)
Interest payments, net of amounts capitalized	829	848
Income tax payments, net of refunds	5,785	7,860
Change in capital expenditures in accounts payable	(3,653)	(2,781)
Change in capital expenditures in accrued expenses	(1,128)	(5,024)
Cash dividends declared and accrued	$ 2,749	$ 2,097