<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM (A) THE
CONSOLIDATED BALANCE SHEET AND CONSOLIDATED STATEMENT OF INCOME INCLUDED IN THE
COMPANY'S FORM 10-Q FOR THE PERIOD ENDING MARCH 31, 2000 AND IS QUALIFIED IN ITS
ENTIRETY BY REFERENCE TO SUCH (B) FINANCIAL STATEMENTS.
</LEGEND>

                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-2000
<PERIOD-START>                             JAN-01-2000
<PERIOD-END>                               MAR-31-2000
<CASH>                                          74,847
<SECURITIES>                                   226,137
<RECEIVABLES>                                  104,691
<ALLOWANCES>                                   (7,320)
<INVENTORY>                                     15,160
<CURRENT-ASSETS>                               438,051
<PP&E>                                         199,195
<DEPRECIATION>                               (116,348)
<TOTAL-ASSETS>                                 686,892
<CURRENT-LIABILITIES>                          136,125
<BONDS>                                        165,539
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                       209,320
<OTHER-SE>                                      36,096
<TOTAL-LIABILITY-AND-EQUITY>                   686,892
<SALES>                                         86,361
<TOTAL-REVENUES>                               148,251
<CGS>                                           29,724
<TOTAL-COSTS>                                   70,939
<OTHER-EXPENSES>                                82,163
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               4,119
<INCOME-PRETAX>                                  (732)
<INCOME-TAX>                                   (2,057)
<INCOME-CONTINUING>                            (2,789)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   (2,789)
<EPS-BASIC>                                     (0.06)
<EPS-DILUTED>                                   (0.06)