<ARTICLE>                     5
<LEGEND>
     THIS SCHEDULE CONTAINS SUMMARY INFORMATION  EXTRACTED FROM THE CONSOLIDATED
BALANCE  SHEETS ON THE FORM 10-Q FOR THE  PERIOD  ENDED  March 31,  2000 AND THE
CONDENSED  CONSOLIDATED  STATEMENT OF  OPERATIONS  AS FILED ON FORM 10-Q FOR THE
PERIOD  ENDED March 31, 2000 AND IS  QUALIFIED  IN ITS  ENTIRETY BY REFERENCE TO
SUCH FINANCIAL STATEMENTS.
</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>                                           51,970
<SECURITIES>                                     10,124
<RECEIVABLES>                                    80,244
<ALLOWANCES>                                      9,268
<INVENTORY>                                      14,258
<CURRENT-ASSETS>                                175,883
<PP&E>                                          120,404
<DEPRECIATION>                                   87,436
<TOTAL-ASSETS>                                  290,051
<CURRENT-LIABILITIES>                            99,183
<BONDS>                                               0
<PREFERRED-MANDATORY>                                 0
<PREFERRED>                                           0
<COMMON>                                            266
<OTHER-SE>                                       62,002
<TOTAL-LIABILITY-AND-EQUITY>                    290,051
<SALES>                                         108,696
<TOTAL-REVENUES>                                108,696
<CGS>                                            53,258
<TOTAL-COSTS>                                    53,258
<OTHER-EXPENSES>                                 74,696
<LOSS-PROVISION>                                      0
<INTEREST-EXPENSE>                                    0
<INCOME-PRETAX>                                 (18,214)
<INCOME-TAX>                                      1,250
<INCOME-CONTINUING>                             (19,464)
<DISCONTINUED>                                        0
<EXTRAORDINARY>                                       0
<CHANGES>                                             0
<NET-INCOME>                                    (19,464)
<EPS-BASIC>                                       (0.81)
<EPS-DILUTED>                                     (0.81)