<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> FEB-29-2000 <PERIOD-END> AUG-31-1999 <CASH> 62,718 <SECURITIES> 8,000 <RECEIVABLES> 19,861 <ALLOWANCES> 1,132 <INVENTORY> 19,681 <CURRENT-ASSETS> 127,991 <PP&E> 100,412 <DEPRECIATION> 66,573 <TOTAL-ASSETS> 205,529 <CURRENT-LIABILITIES> 24,896 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 1,616 <OTHER-SE> 159,823 <TOTAL-LIABILITY-AND-EQUITY> 205,529 <SALES> 73,697 <TOTAL-REVENUES> 73,697 <CGS> 45,221 <TOTAL-COSTS> 45,221 <OTHER-EXPENSES> 28,154 <LOSS-PROVISION> 70 <INTEREST-EXPENSE> 150 <INCOME-PRETAX> 1,500 <INCOME-TAX> 567 <INCOME-CONTINUING> 933 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 933 <EPS-BASIC> 0.06 <EPS-DILUTED> 0.06