Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jan. 31, 2017	Jul. 31, 2016
Current Assets
Cash and cash equivalents	$ 17,560	$ 18,629
Short-term investments	7,358	10,184
Accounts receivable, less allowance of $881 and $753 at January 31, 2017 and July 31, 2016, respectively	32,047	30,386
Inventories	23,217	23,251
Deferred income taxes	3,884	3,884
Prepaid repairs expense	4,054	3,938
Prepaid expenses and other assets	4,658	901
Total Current Assets	92,778	91,173
Property, Plant and Equipment
Cost	217,359	218,025
Less accumulated depreciation and amortization	(135,861)	(137,314)
Total Property, Plant and Equipment, Net	81,498	80,711
Other Assets
Goodwill	9,034	9,034
Trademarks and patents, net of accumulated amortization of $279 and $261 at January 31, 2017 and July 31, 2016, respectively	999	916
Customer list, net of accumulated amortization of $4,031 and $3,460 at January 31, 2017 and July 31, 2016, respectively	3,754	4,325
Deferred income taxes	12,319	12,754
Other	6,192	5,902
Total Other Assets	32,298	32,931
Total Assets	206,574	204,815
Current Liabilities
Current maturities of notes payable	3,083	3,083
Accounts payable	7,316	6,635
Dividends payable	1,485	1,477
Accrued expenses:
Salaries, wages and commissions	6,675	8,656
Trade promotions and advertising	2,487	2,855
Freight	1,699	1,579
Other	6,753	6,455
Total Current Liabilities	29,498	30,740
Noncurrent Liabilities
Notes payable, net of unamortized debt issuance costs of $103 and $118 at January 31, 2017 and July 31, 2016, respectively	9,147	12,215
Deferred compensation	10,991	10,504
Pension and postretirement benefits	32,915	32,492
Other	3,518	3,313
Total Noncurrent Liabilities	56,571	58,524
Total Liabilities	86,069	89,264
Stockholders’ Equity
Additional paid-in capital	35,288	34,294
Retained earnings	153,240	149,945
Accumulated other comprehensive loss:
Pension and postretirement benefits	(13,289)	(13,867)
Cumulative translation adjustment	(106)	(155)
Total accumulated other comprehensive loss	(13,395)	(14,022)
Less Treasury Stock, at cost (2,906,777 Common and 324,741 Class B shares at January 31, 2017 and 2,912,953 Common and 324,741 Class B shares at July 31, 2016)	(55,681)	(55,716)
Total Stockholders' Equity	120,505	115,551
Total Liabilities & Stockholders’ Equity	206,574	204,815
Common Stock
Stockholders’ Equity
Common Stock, Value, Issued	802	798
Common Class B
Stockholders’ Equity
Common Stock, Value, Issued	$ 251	$ 252