Consolidated Balance Sheets - USD ($) $ in Thousands	Jul. 31, 2025	Jul. 31, 2024
Current Assets
Cash and cash equivalents	$ 50,458	$ 23,481
Accounts receivable, less allowance of $1,493 and $934 in 2025 and 2024, respectively	69,370	62,171
Inventories, net	51,594	54,236
Prepaid expenses and other assets	5,961	7,270
Total Current Assets	177,383	147,158
Property, Plant and Equipment
Land	13,549	13,550
Buildings and leasehold improvements	43,529	41,648
Machinery and equipment	205,675	192,788
Office furniture and equipment	22,521	22,530
Vehicles	25,902	24,617
Construction in progress	25,149	20,974
Mining assets	10,893	9,966
Capital Parts	8,861	7,488
Less accumulated depreciation and amortization	(206,375)	(195,765)
Total Property, Plant and Equipment, Net	149,704	137,796
Other Assets
Goodwill	16,017	15,443
Trademarks, trade names and patents, net of accumulated amortization of $693 and $625 in 2025 and 2024, respectively	6,603	6,662
Customer list, net of accumulated amortization of $9,278 and $8,149 in 2025 and 2024, respectively	18,907	20,036
Deferred income taxes	1,291	1,537
Operating lease right-of-use assets	14,219	18,667
Other	7,553	7,306
Total Other Assets	64,590	69,651
Total Assets	391,677	354,605
Current Liabilities
Current maturities of notes payable	1,000	1,000
Accounts Payable	16,808	15,009
Dividends payable	2,444	2,096
Operating lease liabilities	4,071	4,556
Accrued expenses	44,864	44,016
Total Current Liabilities	69,187	66,677
Noncurrent Liabilities
Long-term debt, net of unamortized debt issuance costs of $183 and $226 in 2025 and 2024, respectively	38,817	49,774
Deferred compensation	5,777	5,667
Long-term operating lease liabilities	11,296	15,391
Other	7,540	6,508
Total Noncurrent Liabilities	63,430	77,340
Total Liabilities	132,617	144,017
Stockholders’ Equity
Additional paid-in capital	66,138	60,031
Retained earnings	277,500	232,247
Accumulated other comprehensive income	969	769
Less treasury stock, at cost (4,902,881 Common and 380,628 Class B shares in 2025 and 4,867,880 Common and 362,649 Class B shares in 2024)	(87,540)	(84,441)
Total Stockholders’ Equity	259,060	210,588
Total Liabilities and Stockholders’ Equity	391,677	354,605
Common Stock
Stockholders’ Equity
Common Stock, par value $.10	1,528	1,517
Class B
Stockholders’ Equity
Common Stock, par value $.10	$ 465	$ 465