
<TABLE> <S> <C>


<ARTICLE>                     5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE JUNE 
30, 1998 FINANCIAL STATEMENTS AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO
SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER>                                   1,000
       
<S>                             <C>
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          MAR-31-1999
<PERIOD-START>                              APR-1-1998
<PERIOD-END>                               JUN-30-1998
<CASH>                                          49,061
<SECURITIES>                                         0
<RECEIVABLES>                                   90,450
<ALLOWANCES>                                         0
<INVENTORY>                                     79,368
<CURRENT-ASSETS>                               223,046
<PP&E>                                         579,940
<DEPRECIATION>                                 105,819
<TOTAL-ASSETS>                                 741,750
<CURRENT-LIABILITIES>                          102,542
<BONDS>                                        247,392
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           219
<OTHER-SE>                                     285,670
<TOTAL-LIABILITY-AND-EQUITY>                   741,750
<SALES>                                        117,273
<TOTAL-REVENUES>                               117,553
<CGS>                                           89,969
<TOTAL-COSTS>                                  104,731
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               5,013
<INCOME-PRETAX>                                  9,798
<INCOME-TAX>                                     2,939
<INCOME-CONTINUING>                              6,553
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     6,553
<EPS-PRIMARY>                                     0.30
<EPS-DILUTED>                                     0.29

        

</TABLE>
