<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED BALANCE SHEET AND CONSOLIDATED STATEMENT OF INCOME INCLUDED IN THE
COMPANY'S FORM 10-K FOR THE PERIOD ENDING DECEMBER 31, 1998 AND IS QUALIFIED IN
ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
       
                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               DEC-31-1998
<CASH>                                          67,071
<SECURITIES>                                   129,040
<RECEIVABLES>                                  137,233
<ALLOWANCES>                                     4,415
<INVENTORY>                                     18,916
<CURRENT-ASSETS>                               362,665
<PP&E>                                         157,763
<DEPRECIATION>                                  88,571
<TOTAL-ASSETS>                                 560,659
<CURRENT-LIABILITIES>                          104,488
<BONDS>                                        153,744
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                       142,132
<OTHER-SE>                                     156,445
<TOTAL-LIABILITY-AND-EQUITY>                   560,659
<SALES>                                        342,903
<TOTAL-REVENUES>                               512,316
<CGS>                                          108,397
<TOTAL-COSTS>                                  228,184
<OTHER-EXPENSES>                               227,894
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               4,306
<INCOME-PRETAX>                                 59,249
<INCOME-TAX>                                    26,759
<INCOME-CONTINUING>                                  0
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    32,490
<EPS-PRIMARY>                                     0.64<F1>
<EPS-DILUTED>                                     0.61
<FN>
<F1>For Purposes of This Exhibit, Primary means Basic.
</FN>