<TABLE> <S> <C>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
REGISTRANT'S AUDITED MAY 31, 2000 CONSOLIDATED FINANCIAL STATEMENTS AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> MAY-31-2000
<PERIOD-END> MAY-31-2000
<CASH> 6,988
<SECURITIES> 0
<RECEIVABLES> 82,495
<ALLOWANCES> 3,315
<INVENTORY> 246,910
<CURRENT-ASSETS> 372,004
<PP&E> 2,007,794
<DEPRECIATION> 778,711
<TOTAL-ASSETS> 1,815,680
<CURRENT-LIABILITIES> 168,265
<BONDS> 623,284
200,000
0
<COMMON> 25,067
<OTHER-SE> 672,959
<TOTAL-LIABILITY-AND-EQUITY> 1,815,680
<SALES> 1,306,407
<TOTAL-REVENUES> 1,306,407
<CGS> 1,064,477
<TOTAL-COSTS> 1,064,477
<OTHER-EXPENSES> 0
<LOSS-PROVISION> 1,786
<INTEREST-EXPENSE> 32,743
<INCOME-PRETAX> 114,974
<INCOME-TAX> 37,995
<INCOME-CONTINUING> 76,979
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 69,829
<EPS-BASIC> 3.31
<EPS-DILUTED> 3.15
</TABLE>