<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> JUN-30-1997 <PERIOD-END> DEC-31-1996 <CASH> $12,137 <SECURITIES> $0 <RECEIVABLES> $108,433 <ALLOWANCES> $0 <INVENTORY> $184,693 <CURRENT-ASSETS> $320,818 <PP&E> $859,396 <DEPRECIATION> $406,539 <TOTAL-ASSETS> $948,398 <CURRENT-LIABILITIES> $188,526 <BONDS> $187,905 <PREFERRED-MANDATORY> $0 <PREFERRED> $28,456 <COMMON> $97,807 <OTHER-SE> $194,865 <TOTAL-LIABILITY-AND-EQUITY> $948,398 <SALES> $403,416 <TOTAL-REVENUES> $403,416 <CGS> $300,387 <TOTAL-COSTS> $300,387 <OTHER-EXPENSES> $(369) <LOSS-PROVISION> $0 <INTEREST-EXPENSE> $8,902 <INCOME-PRETAX> $35,318 <INCOME-TAX> $13,596 <INCOME-CONTINUING> $21,722 <DISCONTINUED> $0 <EXTRAORDINARY> $0 <CHANGES> $0 <NET-INCOME> $21,722 <EPS-PRIMARY> $1.25 <EPS-DILUTED> $1.20