<ARTICLE> 5
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               MAR-31-1998
<CASH>                                          64,303
<SECURITIES>                                   348,730
<RECEIVABLES>                                   55,037
<ALLOWANCES>                                     3,174
<INVENTORY>                                     97,258
<CURRENT-ASSETS>                               656,516
<PP&E>                                         211,671
<DEPRECIATION>                                  59,911
<TOTAL-ASSETS>                                 986,615
<CURRENT-LIABILITIES>                          196,347
<BONDS>                                        230,000
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                            89
<OTHER-SE>                                     560,179
<TOTAL-LIABILITY-AND-EQUITY>                   986,615
<SALES>                                        157,216
<TOTAL-REVENUES>                               157,216
<CGS>                                           60,090
<TOTAL-COSTS>                                   60,090
<OTHER-EXPENSES>                                42,545
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               3,491
<INCOME-PRETAX>                                 54,733
<INCOME-TAX>                                    17,787
<INCOME-CONTINUING>                             36,946
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    35,135
<EPS-PRIMARY>                                     0.40<F1>
<EPS-DILUTED>                                     0.37
<FN>
<F1>For purposes of this Exhibit, Primary means Basic.
</FN>