<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED BALANCE SHEETS AND CONSOLIDATED STATEMENTS OF EARNINGS INCLUDED
HEREIN AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL
STATEMENTS.


                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-2000
<PERIOD-START>                             JAN-01-2000
<PERIOD-END>                               JUN-30-2000
<CASH>                                           1,357
<SECURITIES>                                         0
<RECEIVABLES>                                  101,949
<ALLOWANCES>                                     3,418
<INVENTORY>                                     83,719
<CURRENT-ASSETS>                               187,549
<PP&E>                                         504,495
<DEPRECIATION>                                 223,262
<TOTAL-ASSETS>                                 603,549
<CURRENT-LIABILITIES>                          120,126
<BONDS>                                        208,036
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           182
<OTHER-SE>                                     238,042
<TOTAL-LIABILITY-AND-EQUITY>                   603,549
<SALES>                                        518,542
<TOTAL-REVENUES>                               518,542
<CGS>                                          422,052
<TOTAL-COSTS>                                  422,052
<OTHER-EXPENSES>                                53,662
<LOSS-PROVISION>                                     3
<INTEREST-EXPENSE>                               6,254
<INCOME-PRETAX>                                 36,574
<INCOME-TAX>                                    14,810
<INCOME-CONTINUING>                             21,764
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    21,764
<EPS-BASIC>                                       1.11
<EPS-DILUTED>                                     1.10