<TABLE> <S> <C>
<ARTICLE> 5
<LEGEND>
RESTATED - SEE NOTE 12 TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL
STATEMENTS.
</LEGEND>
<RESTATED>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 3-MOS
<FISCAL-YEAR-END> SEP-30-2000
<PERIOD-START> OCT-01-1999
<PERIOD-END> MAR-31-2000
<CASH> 68,972
<SECURITIES> 291,610
<RECEIVABLES> 93,373
<ALLOWANCES> 2,506
<INVENTORY> 24,655
<CURRENT-ASSETS> 202,324
<PP&E> 1,483,037
<DEPRECIATION> 805,790
<TOTAL-ASSETS> 1,190,229
<CURRENT-LIABILITIES> 66,231
<BONDS> 0
0
0
<COMMON> 5,353
<OTHER-SE> 902,374
<TOTAL-LIABILITY-AND-EQUITY> 1,190,229
<SALES> 275,435
<TOTAL-REVENUES> 301,429
<CGS> 223,569
<TOTAL-COSTS> 223,569
<OTHER-EXPENSES> 4,052
<LOSS-PROVISION> (300)
<INTEREST-EXPENSE> 1,622
<INCOME-PRETAX> 66,331
<INCOME-TAX> 28,142
<INCOME-CONTINUING> 39,734
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 39,734
<EPS-BASIC> .80
<EPS-DILUTED> .80
</TABLE>