<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the
Company's Quarterly Report on Form 10-Q for the quarter ended September 30,
2000, and is qualified in its entirety by reference to such financial
statements.

<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-2000
<PERIOD-END>                               SEP-30-2000
<CASH>                                         106,421
<SECURITIES>                                         0
<RECEIVABLES>                                  195,444
<ALLOWANCES>                                         0
<INVENTORY>                                     22,911
<CURRENT-ASSETS>                               355,762
<PP&E>                                         237,611
<DEPRECIATION>                                 178,601
<TOTAL-ASSETS>                                 495,366
<CURRENT-LIABILITIES>                          195,584
<BONDS>                                         25,437
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         5,736
<OTHER-SE>                                     255,278
<TOTAL-LIABILITY-AND-EQUITY>                   495,366
<SALES>                                        349,568
<TOTAL-REVENUES>                               546,323
<CGS>                                          223,964
<TOTAL-COSTS>                                  350,639
<OTHER-EXPENSES>                               207,579
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               3,241
<INCOME-PRETAX>                                (3,016)
<INCOME-TAX>                                     4,900
<INCOME-CONTINUING>                            (7,916)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   (7,916)
<EPS-BASIC>                                      (.16)
<EPS-DILUTED>                                    (.16)

<F1>Accounts receivable in the Consolidated Balance Sheet is shown net of
allowances for doubtful accounts.
<F2>Other expenses include Product development expenses, Sales and marketing
expenses, and General and administrative expenses.