<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> MAR-31-1999 <PERIOD-START> APR-01-1998 <PERIOD-END> SEP-30-1998 <CASH> 27,026 <SECURITIES> 0 <RECEIVABLES> 53,767 <ALLOWANCES> 0 <INVENTORY> 28,282 <CURRENT-ASSETS> 122,199 <PP&E> 347,064 <DEPRECIATION> 104,503 <TOTAL-ASSETS> 475,960 <CURRENT-LIABILITIES> 33,572 <BONDS> 230,000 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 110,940 <OTHER-SE> 74,843 <TOTAL-LIABILITY-AND-EQUITY> 185,783 <SALES> 56,999 <TOTAL-REVENUES> 56,999 <CGS> 48,953 <TOTAL-COSTS> 48,953 <OTHER-EXPENSES> 4,596 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 2,729 <INCOME-PRETAX> 721 <INCOME-TAX> 216 <INCOME-CONTINUING> 0 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 505 <EPS-PRIMARY> 0.01 <EPS-DILUTED> 0.01