Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jul. 31, 2012	Jul. 31, 2011
Current Assets
Cash and cash equivalents	$ 27,093	$ 17,885
Investment in short-term securities	9,163	15,837
Accounts receivable, less allowance of $626 and $607 in 2012 and 2011, respectively	30,225	29,217
Inventories	19,673	19,230
Deferred income taxes	2,611	1,193
Prepaid repairs expense	3,549	3,782
Prepaid expenses and other assets	2,888	4,672
Total Current Assets	95,202	91,816
Property, Plant and Equipment
Buildings and leasehold improvements	28,338	27,642
Machinery and equipment	109,181	115,978
Office furniture and equipment	9,720	9,993
Vehicles	10,621	10,570
Gross depreciable assets	157,860	164,183
Less accumulated depreciation and amortization	(112,254)	(121,251)
Net depreciable assets	45,606	42,932
Construction in progress	2,572	8,949
Land	16,275	16,147
Total Property, Plant and Equipment, Net	64,453	68,028
Other Assets
Goodwill	5,162	5,162
Trademarks and patents, net of accumulated amortization of $409 and $381 in 2012 and 2011, respectively	576	589
Debt issuance costs, net of accumulated amortization of $380 and $333 in 2012 and 2011, respectively	385	463
Licensing agreements and non-compete agreements, net of accumulated amortization of $1,611 and $1,361 in 2012 and 2011, respectively	627	878
Deferred income taxes	3,224	2,107
Other	4,638	4,350
Total Other Assets	14,612	13,549
Total Assets	174,267	173,393
Current Liabilities
Current maturities of notes payable	3,800	3,600
Accounts payable	6,700	6,369
Dividends payable	1,154	1,129
Accrued expenses
Salaries, wages and commissions	6,201	4,143
Trade promotions and advertising	3,302	2,270
Freight	2,585	2,135
Other	5,380	6,834
Total Current Liabilities	29,122	26,480
Noncurrent Liabilities
Notes payable	25,900	29,700
Deferred compensation	8,117	7,196
Pension and postretirement benefits	24,241	13,235
Other	1,579	1,484
Total Noncurrent Liabilities	59,837	51,615
Total Liabilities	88,959	78,095
Stockholders’ Equity
Additional paid-in capital	29,759	29,213
Restricted unearned stock compensation	(2,214)	(2,446)
Retained earnings	122,901	121,388
Accumulated Other Comprehensive Income
Unrealized gain on marketable securities	72	71
Pension and postretirement benefits	(11,591)	(5,315)
Cumulative translation adjustment	573	799
Less Treasury Stock, at cost (2,911,564 Common and 324,741 Class B shares in 2012 and 2,642,387 Common and 324,741 Class B shares in 2011)	(55,208)	(49,424)
Total Stockholders’ Equity	85,308	95,298
Total Liabilities and Stockholders’ Equity	174,267	173,393
Common Stock
Stockholders’ Equity
Common Stock, par value $.10	779	775
Common Class B
Stockholders’ Equity
Common Stock, par value $.10	$ 237	$ 237