<ARTICLE> 5 <MULTIPLIER> 1,000 <CURRENCY> U.S. DOLLARS <PERIOD-TYPE> YEAR <FISCAL-YEAR-END> SEP-30-1999 <PERIOD-START> OCT-01-1998 <PERIOD-END> SEP-30-1999 <EXCHANGE-RATE> 1 <CASH> 13,426 <SECURITIES> 0 <RECEIVABLES> 20,312 <ALLOWANCES> 679 <INVENTORY> 11,049 <CURRENT-ASSETS> 47,701 <PP&E> 38,293 <DEPRECIATION> 25,617 <TOTAL-ASSETS> 74,751 <CURRENT-LIABILITIES> 23,419 <BONDS> 3,000 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 199 <OTHER-SE> 43,582 <TOTAL-LIABILITY-AND-EQUITY> 43,781 <SALES> 100,938 <TOTAL-REVENUES> 100,938 <CGS> 39,923 <TOTAL-COSTS> 39,923 <OTHER-EXPENSES> 10,745 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> (179) <INCOME-PRETAX> 16,717 <INCOME-TAX> 3,009 <INCOME-CONTINUING> 13,708 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 13,708 <EPS-BASIC> 1.84 <EPS-DILUTED> 1.79