<TABLE> <S> <C>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONDENSED CONSOLIDATED BALANCE SHEET AS OF JUNE 30, 2000 AND THE RELATED
CONDENSED CONSOLIDATED STATEMENT OF EARNINGS FOR THE THREE- AND SIX-MONTH
PERIODS ENDED JUNE 30, 2000 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO
SUCH QUARTERLY REPORT ON FORM 10-Q FOR THE QUARTERLY PERIOD ENDED JUNE 30, 2000.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> JUN-30-2000
<CASH> 3,363
<SECURITIES> 0
<RECEIVABLES> 233,394
<ALLOWANCES> 4,749
<INVENTORY> 192,787
<CURRENT-ASSETS> 457,261
<PP&E> 1,728,253
<DEPRECIATION> 850,879
<TOTAL-ASSETS> 1,838,118
<CURRENT-LIABILITIES> 236,518
<BONDS> 601,748
0
0
<COMMON> 468
<OTHER-SE> 812,485
<TOTAL-LIABILITY-AND-EQUITY> 1,838,118
<SALES> 638,605
<TOTAL-REVENUES> 638,605
<CGS> 497,415
<TOTAL-COSTS> 546,884
<OTHER-EXPENSES> 5,888
<LOSS-PROVISION> 732
<INTEREST-EXPENSE> 20,820
<INCOME-PRETAX> 76,057
<INCOME-TAX> 26,605
<INCOME-CONTINUING> 49,452
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 49,452
<EPS-BASIC> 1.06
<EPS-DILUTED> 1.05
</TABLE>