<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> FEB-28-2001 <PERIOD-END> NOV-30-2000 <CASH> 110,829 <SECURITIES> 9,629 <RECEIVABLES> 24,098 <ALLOWANCES> 430 <INVENTORY> 28,674 <CURRENT-ASSETS> 188,354 <PP&E> 115,436 <DEPRECIATION> 77,556 <TOTAL-ASSETS> 259,853 <CURRENT-LIABILITIES> 45,639 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 1,699 <OTHER-SE> 194,597 <TOTAL-LIABILITY-AND-EQUITY> 259,853 <SALES> 131,045 <TOTAL-REVENUES> 131,045 <CGS> 77,305 <TOTAL-COSTS> 77,305 <OTHER-EXPENSES> 51,011 <LOSS-PROVISION> (110) <INTEREST-EXPENSE> 182 <INCOME-PRETAX> 34,634 <INCOME-TAX> 12,468 <INCOME-CONTINUING> 22,084 <DISCONTINUED> 4,765 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 26,849 <EPS-BASIC> 1.69 <EPS-DILUTED> 1.57