Consolidated Balance Sheets - USD ($) $ in Thousands	Jul. 31, 2023	Jul. 31, 2022
Current Assets
Cash and cash equivalents	$ 31,754	$ 16,298
Accounts receivable, less allowance of $1,087 and $922 in 2023 and 2022, respectively	59,287	51,683
Inventories, net	42,612	40,466
Prepaid expenses and other assets	2,854	3,664
Total Current Assets	136,507	112,111
Property, Plant and Equipment
Buildings and leasehold improvements	40,940	40,294
Machinery and equipment	184,471	165,350
Office furniture and equipment	18,744	17,524
Vehicles	17,663	15,470
Gross depreciable assets	261,818	238,638
Less accumulated depreciation and amortization	(182,999)	(175,374)
Net depreciable assets	78,819	63,264
Construction in progress	15,856	24,496
Land and mineral rights	22,905	20,106
Capital Parts, net	3,292	2,570
Total Property, Plant and Equipment, Net	120,872	110,436
Other Assets
Goodwill	3,618	3,618
Trademarks and patents, net of accumulated amortization of $578 and $524 in 2023 and 2022, respectively	1,399	1,445
Customer list, net of accumulated amortization of $7,763 and $7,608 in 2023 and 2022, respectively	22	177
Deferred income taxes	7,201	3,677
Operating lease right-of-use assets	9,386	10,601
Other	7,230	7,546
Total Other Assets	28,856	27,064
Total Assets	286,235	249,611
Current Liabilities
Current maturities of notes payable	1,000	1,000
Accounts Payable	17,101	13,401
Dividends payable	1,927	1,851
Operating lease liabilities	1,872	2,178
Accrued Expenses	36,868	30,085
Total Current Liabilities	58,768	48,515
Noncurrent Liabilities
Notes payable, net of unamortized debt issuance costs of $173 and $202 in 2023 and 2022, respectively	30,827	31,798
Deferred compensation	4,512	4,559
Pension and postretirement benefits	1,753	798
Long-term operating lease liabilities	8,810	9,749
Other	4,489	3,843
Total Noncurrent Liabilities	50,391	50,747
Total Liabilities	109,159	99,262
Stockholders’ Equity
Additional paid-in capital	55,624	52,467
Retained earnings	200,796	178,754
Noncontrolling interest	0	(369)
Accumulated Other Comprehensive Loss
Pension and postretirement benefits	1,012	(2,242)
Cumulative translation adjustment	(264)	59
Total Accumulated Other Comprehensive Income (Loss)	748	(2,183)
Less treasury stock, at cost (3,658,989 Common and 351,641 Class B shares in 2023 and 3,609,938 Common and 351,641 Class B shares in 2022)	(81,207)	(79,428)
Total Stockholders’ Equity	177,076	150,349
Total Liabilities and Stockholders’ Equity	286,235	249,611
Common Stock
Stockholders’ Equity
Common Stock, par value $.10	875	868
Class B
Stockholders’ Equity
Common Stock, par value $.10	$ 240	$ 240