<ARTICLE> 5
<LEGEND>
      This schedule contains summary financial information extracted for the
three months ended July 2, 2000 and is qualified in its entirety by reference to
such financial statements.


                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-2000
<PERIOD-END>                               JUL-02-2000
<CASH>                                     131,842,000
<SECURITIES>                                13,140,000
<RECEIVABLES>                               28,988,000
<ALLOWANCES>                                         0
<INVENTORY>                                 16,101,000
<CURRENT-ASSETS>                           198,463,000
<PP&E>                                     172,196,000
<DEPRECIATION>                              73,320,000
<TOTAL-ASSETS>                             330,337,000
<CURRENT-LIABILITIES>                       26,800,000
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                       298,000
<OTHER-SE>                                 298,949,000
<TOTAL-LIABILITY-AND-EQUITY>               330,337,000
<SALES>                                     47,517,000
<TOTAL-REVENUES>                            47,517,000
<CGS>                                       23,135,000
<TOTAL-COSTS>                               23,135,000
<OTHER-EXPENSES>                            16,808,000
<LOSS-PROVISION>                              (290,000)
<INTEREST-EXPENSE>                          (2,621,000)
<INCOME-PRETAX>                             10,485,000
<INCOME-TAX>                                 3,879,000
<INCOME-CONTINUING>                          6,606,000
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                 6,606,000
<EPS-BASIC>                                       0.22
<EPS-DILUTED>                                     0.21