<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> FEB-28-2001 <PERIOD-END> AUG-31-2000 <CASH> 114,632 <SECURITIES> 9,629 <RECEIVABLES> 24,127 <ALLOWANCES> 415 <INVENTORY> 17,350 <CURRENT-ASSETS> 180,723 <PP&E> 110,368 <DEPRECIATION> 74,756 <TOTAL-ASSETS> 273,701 <CURRENT-LIABILITIES> 38,212 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 1,683 <OTHER-SE> 208,575 <TOTAL-LIABILITY-AND-EQUITY> 273,701 <SALES> 84,116 <TOTAL-REVENUES> 84,116 <CGS> 49,804 <TOTAL-COSTS> 49,804 <OTHER-EXPENSES> 32,860 <LOSS-PROVISION> (95) <INTEREST-EXPENSE> 120 <INCOME-PRETAX> 31,605 <INCOME-TAX> 11,693 <INCOME-CONTINUING> 19,872 <DISCONTINUED> 4,765 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 24,637 <EPS-BASIC> 1.56 <EPS-DILUTED> 1.46