<ARTICLE> 5 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> JUL-31-2000 <PERIOD-END> APR-30-2000 <CASH> 988,000 <SECURITIES> 1,219,000 <RECEIVABLES> 25,625,000 <ALLOWANCES> 431,000 <INVENTORY> 17,837,000 <CURRENT-ASSETS> 53,732,000 <PP&E> 134,620,000 <DEPRECIATION> 73,972,000 <TOTAL-ASSETS> 133,181,000 <CURRENT-LIABILITIES> 14,258,000 <BONDS> 40,063,000 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 724,000 <OTHER-SE> 73,310,000 <TOTAL-LIABILITY-AND-EQUITY> 133,181,000 <SALES> 133,832,000 <TOTAL-REVENUES> 133,832,000 <CGS> 95,308,000 <TOTAL-COSTS> 95,308,000 <OTHER-EXPENSES> 32,136,000 <LOSS-PROVISION> 102,000 <INTEREST-EXPENSE> 2,409,000 <INCOME-PRETAX> 3,877,000 <INCOME-TAX> 1,124,000 <INCOME-CONTINUING> 2,753,000 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 2,753,000 <EPS-BASIC> 0.49 <EPS-DILUTED> 0.48