<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED BALANCE SHEET AND THE CONSOLIDATED STATEMENT OF INCOME FILED AS
PART OF THE QUARTERLY REPORT ON FORM 10-Q AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH QUARTERLY REPORT ON FORM 10-Q
</LEGEND>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               JUN-30-1999
<CASH>                                          19,647
<SECURITIES>                                     8,455
<RECEIVABLES>                                  264,080
<ALLOWANCES>                                    14,967
<INVENTORY>                                     48,113
<CURRENT-ASSETS>                               346,179
<PP&E>                                         344,473
<DEPRECIATION>                                 176,397
<TOTAL-ASSETS>                                 708,388
<CURRENT-LIABILITIES>                          159,057
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           396
<OTHER-SE>                                     392,829
<TOTAL-LIABILITY-AND-EQUITY>                   708,388
<SALES>                                        491,156
<TOTAL-REVENUES>                               492,268
<CGS>                                          291,278
<TOTAL-COSTS>                                  291,278
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                 4,962
<INTEREST-EXPENSE>                               3,823
<INCOME-PRETAX>                                 27,642
<INCOME-TAX>                                    12,736
<INCOME-CONTINUING>                             14,906
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    14,906
<EPS-BASIC>                                        .40
<EPS-DILUTED>                                      .40