WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<MULTIPLIER> 1,000
<S> <C> <C>
<PERIOD-TYPE> 9-MOS 12-MOS
<FISCAL-YEAR-END> OCT-31-2000 0CT-31-1999
<PERIOD-START> NOV-01-1999 NOV-01-1998
<PERIOD-END> JUL-31-2000 OCT-31-1999
<CASH> 105,638 209,614
<SECURITIES> 0 0
<RECEIVABLES> 826,664 850,557
<ALLOWANCES> 0 0
<INVENTORY> 204,740 248,118
<CURRENT-ASSETS> 1,823,170 1,910,171
<PP&E> 3,686,730 3,468,597
<DEPRECIATION> 1,371,957 1,245,644
<TOTAL-ASSETS> 4,876,583 4,886,117
<CURRENT-LIABILITIES> 2,094,819 2,204,310
<BONDS> 0 0
0 0
0 0
<COMMON> 47,293 47,521
<OTHER-SE> 1,598,636 1,533,851
<TOTAL-LIABILITY-AND-EQUITY> 4,876,583 4,886,117
<SALES> 0 0
<TOTAL-REVENUES> 8,458,938 12,417,385
<CGS> 0 0
<TOTAL-COSTS> 8,207,817 12,026,693
<OTHER-EXPENSES> 0 0
<LOSS-PROVISION> (17,919) 117,200
<INTEREST-EXPENSE> 43,910 50,918
<INCOME-PRETAX> 194,364 185,653
<INCOME-TAX> 57,732 81,466
<INCOME-CONTINUING> 136,632 104,187
<DISCONTINUED> 0 0
<EXTRAORDINARY> 0 0
<CHANGES> 0 0
<NET-INCOME> 136,632 104,187
<EPS-BASIC> 1.81 1.38
<EPS-DILUTED> 1.79 1.37
</TABLE>