<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
COMPANY'S CONSOLIDATED BALANCE SHEET AS OF MARCH 31, 2000, AND THE RELATED
CONSOLIDATED STATEMENT OF OPERATIONS FOR THE THREE MONTHS ENDED MARCH 31, 2000
AND THE NOTES THERETO, AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
CONSOLIDATED FINANCIAL STATEMENTS AND NOTES.
</LEGEND>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-2000
<PERIOD-START>                             JAN-01-2000
<PERIOD-END>                               MAR-31-2000
<CASH>                                         142,927
<SECURITIES>                                   156,310
<RECEIVABLES>                                   49,288
<ALLOWANCES>                                         0
<INVENTORY>                                     15,636
<CURRENT-ASSETS>                               370,006
<PP&E>                                          91,626
<DEPRECIATION>                                       0
<TOTAL-ASSETS>                                 911,664
<CURRENT-LIABILITIES>                          100,531
<BONDS>                                        257,500
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                            44
<OTHER-SE>                                     456,160
<TOTAL-LIABILITY-AND-EQUITY>                   911,664
<SALES>                                         67,325
<TOTAL-REVENUES>                                85,779
<CGS>                                           14,172
<TOTAL-COSTS>                                   71,875
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               4,300
<INCOME-PRETAX>                                 17,798
<INCOME-TAX>                                     5,340
<INCOME-CONTINUING>                             12,458
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    12,458
<EPS-BASIC>                                       0.28
<EPS-DILUTED>                                     0.27