Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jan. 31, 2024	Jan. 31, 2023
CASH FLOWS FROM OPERATING ACTIVITIES
Net Income	$ 23,124	$ 9,076
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	8,854	7,274
Non-cash stock-based compensation	2,354	1,634
Deferred income taxes	381	166
Provision for bad debts and cash discounts	(16)	207
Accretion of Asset Retirement Obligation	105	80
Loss on the disposals of property, plant and equipment	141	15
(Increase) Decrease in assets:
Accounts receivable	(64)	(5,738)
Inventories	(3,666)	(2,717)
Prepaid expenses	(3,217)	626
Other assets	311	1,000
Increase (Decrease) in liabilities:
Accounts payable	(3,243)	180
Accrued expenses	(7,582)	3,891
Deferred compensation	911	(118)
Other liabilities	(448)	(1,359)
Total Adjustments	(5,179)	5,141
Net Cash Provided by Operating Activities	17,945	14,217
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures	(15,546)	(12,640)
Proceeds from sale of property, plant, and equipment	0	5
Net Cash Used in Investing Activities	(15,546)	(12,635)
CASH FLOWS FROM FINANCING ACTIVITIES
Dividends paid	(3,889)	(3,711)
Purchase of treasury stock	(2,575)	(225)
Net Cash Used in Financing Activities	(6,464)	(3,936)
Effect of exchange rate changes on Cash and Cash Equivalents	111	7
Net Decrease in Cash and Cash Equivalents	(3,954)	(2,347)
Cash and Cash Equivalents, Beginning of Period	31,754	16,298
Cash and Cash Equivalents, End of Period	27,800	13,951
Supplemental disclosure of non-cash investing and financing activities:
Interest payments, net of amounts capitalized	545	567
Income tax payments, net of refunds	8,072	1,323
Capital expenditures accrued, but not paid	1,727	1,283
Cash dividends declared and accrued, but not paid	$ 1,963	$ 1,858