<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONDENSED STATEMENT OF FINANCIAL POSITION AND CONDENSED STATEMENT OF INCOME AND
IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-END>                               JUN-30-1999
<CASH>                                          87,849
<SECURITIES>                                         0
<RECEIVABLES>                                  168,570
<ALLOWANCES>                                     4,964
<INVENTORY>                                    163,805
<CURRENT-ASSETS>                               452,085
<PP&E>                                         678,841
<DEPRECIATION>                                 346,971
<TOTAL-ASSETS>                               1,078,616
<CURRENT-LIABILITIES>                          245,182
<BONDS>                                        199,784
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        24,984
<OTHER-SE>                                     422,925
<TOTAL-LIABILITY-AND-EQUITY>                 1,078,616
<SALES>                                        535,989
<TOTAL-REVENUES>                               540,512
<CGS>                                          329,943
<TOTAL-COSTS>                                  329,943
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              11,086
<INCOME-PRETAX>                                138,270
<INCOME-TAX>                                    49,308
<INCOME-CONTINUING>                             82,579
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    82,579
<EPS-BASIC>                                       3.61
<EPS-DILUTED>                                     3.58