<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM CONSOLIDATED
BALANCE SHEETS AT DECEMBER 31, 1999 AND CONSOLIDATED STATEMENTS OF INCOME FOR
THE YEAR ENDED DECEMBER 31, 1999 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE
TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS

                             
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               DEC-31-1999
<EXCHANGE-RATE>                                      1
<CASH>                                          27,299
<SECURITIES>                                    57,348
<RECEIVABLES>                                  325,793
<ALLOWANCES>                                         0
<INVENTORY>                                    169,785
<CURRENT-ASSETS>                               647,936
<PP&E>                                         320,640
<DEPRECIATION>                                 159,916
<TOTAL-ASSETS>                               1,298,831
<CURRENT-LIABILITIES>                          382,407
<BONDS>                                         20,800
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        89,354
<OTHER-SE>                                     755,041
<TOTAL-LIABILITY-AND-EQUITY>                 1,298,831
<SALES>                                        757,246
<TOTAL-REVENUES>                             1,259,177
<CGS>                                          444,732
<TOTAL-COSTS>                                  802,365
<OTHER-EXPENSES>                               270,689
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                201,338
<INCOME-TAX>                                    72,482
<INCOME-CONTINUING>                            128,856
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   128,856
<EPS-BASIC>                                       1.86
<EPS-DILUTED>                                     1.85