<TABLE> <S> <C>

<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED CONDENSED BALANCE SHEET AT MARCH 31, 1998, SEPTEMBER 30, 1997, JUNE
30, 1997 AND MARCH 31, 1997 AND CONSOLIDATED CONDENSED STATEMENT OF OPERATIONS
FOR THE SIX MONTHS ENDED MARCH 31, 1998, YEAR ENDED SEPTEMBER 30, 1997, NINE
MONTHS ENDED JUNE 30, 1997 AND SIX MONTHS ENDED MARCH 31, 1997 AND IS QUALIFIED
IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
       
<S>                             <C>                     <C>                     <C>                     <C>
<PERIOD-TYPE>                   6-MOS                   12-MOS                   9-MOS                   6-MOS
<FISCAL-YEAR-END>                          SEP-30-1998             SEP-30-1997             SEP-30-1997             SEP-30-1997
<PERIOD-START>                             OCT-01-1997             OCT-01-1996             OCT-01-1996             SEP-30-1996
<PERIOD-END>                               MAR-31-1998             SEP-30-1997<F1>         JUN-30-1997<F1>         MAR-31-1997<F1>
<CASH>                                         104,979                 118,589                  81,110                  94,885
<SECURITIES>                                    64,370                 179,508                  36,809                  31,227
<RECEIVABLES>                                  119,419                 193,609                 137,173                 127,198
<ALLOWANCES>                                         0                  14,887                       0                       0
<INVENTORY>                                     61,288                  91,487                  80,769                  67,115
<CURRENT-ASSETS>                               370,943                 583,294                 349,533                 333,477
<PP&E>                                       1,217,432               1,091,442               1,019,850                 937,902
<DEPRECIATION>                                 545,492                 418,629                 378,716                 334,184
<TOTAL-ASSETS>                               1,079,860               1,301,481               1,028,092                 966,688
<CURRENT-LIABILITIES>                          215,210                 240,109                 232,035                 224,953
<BONDS>                                        398,558                 403,871                 164,986                 166,096
<PREFERRED-MANDATORY>                                0                       0                       0                       0
<PREFERRED>                                          0                       0                       0                       0
<COMMON>                                             5                       5                       5                       5
<OTHER-SE>                                     395,061                 545,648                 525,729                 488,270
<TOTAL-LIABILITY-AND-EQUITY>                 1,079,860               1,301,481               1,028,092                 966,688
<SALES>                                        448,443               1,162,050                 843,892                 533,656
<TOTAL-REVENUES>                               448,443               1,162,050                 843,892                 533,656
<CGS>                                          564,624                 923,244                 673,608                 435,462
<TOTAL-COSTS>                                  564,624                 923,244                 673,608                 435,462
<OTHER-EXPENSES>                                46,679                 117,617                  77,348                  50,694
<LOSS-PROVISION>                                     0                       0                       0                       0
<INTEREST-EXPENSE>                              14,965                  15,699                  10,631                   7,062
<INCOME-PRETAX>                              (177,819)                 105,490                  81,705                  40,438
<INCOME-TAX>                                  (24,719)                  29,311                  21,190                  11,096
<INCOME-CONTINUING>                          (153,100)                  76,179                  60,515                  29,342
<DISCONTINUED>                                       0                       0                       0                       0
<EXTRAORDINARY>                                      0                       0                       0                       0
<CHANGES>                                            0                       0                       0                       0
<NET-INCOME>                                 (153,100)                  76,179                  60,515                  29,342
<EPS-PRIMARY>                                   (3.17)                    1.61                    1.28                    0.62
<EPS-DILUTED>                                   (3.17)                    1.56                    1.24                    0.61
<FN>
<F1>AMENDED AND RESTATED
</FN>
        

</TABLE>