<ARTICLE> 5
<MULTIPLIER> 1000

                                                  
<PERIOD-TYPE>                   3-MOS                   9-MOS
<FISCAL-YEAR-END>               DEC-31-2000                DEC-31-2000
<PERIOD-END>                    SEP-30-2000                SEP-30-2000
<CASH>                                         134,727                 134,727
<SECURITIES>                                   569,920                 569,920
<RECEIVABLES>                                  197,255                 197,255
<ALLOWANCES>                                     2,874                   2,874
<INVENTORY>                                     13,370                  13,370
<CURRENT-ASSETS>                               938,073                 938,073
<PP&E>                                         361,049                 361,049
<DEPRECIATION>                                 171,747                 171,747
<TOTAL-ASSETS>                               1,335,619               1,335,619
<CURRENT-LIABILITIES>                          376,238                 376,238
<BONDS>                                              0                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                        71,788                  71,788
<OTHER-SE>                                     784,923                 784,923
<TOTAL-LIABILITY-AND-EQUITY>                 1,335,619               1,335,619
<SALES>                                        318,700                 876,085
<TOTAL-REVENUES>                               318,700                 876,085
<CGS>                                          233,448                 645,618
<TOTAL-COSTS>                                  258,953                 700,431
<OTHER-EXPENSES>                                     0                       0
<LOSS-PROVISION>                                 1,496                   3,931
<INTEREST-EXPENSE>                               2,662                   6,962
<INCOME-PRETAX>                                 69,037                 200,109
<INCOME-TAX>                                    24,984                  71,664
<INCOME-CONTINUING>                             44,053                 128,445
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                    44,053                 128,445
<EPS-BASIC>                                       0.20                    0.60
<EPS-DILUTED>                                     0.20                    0.58