<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> MAR-31-1996 <PERIOD-END> SEP-30-1995 <CASH> 12,700,000 <SECURITIES> 0 <RECEIVABLES> 271,200,000 <ALLOWANCES> 0 <INVENTORY> 458,100,000 <CURRENT-ASSETS> 0 <PP&E> 1,105,900,000 <DEPRECIATION> 416,800,000 <TOTAL-ASSETS> 1,492,000,000 <CURRENT-LIABILITIES> 0 <BONDS> 0 <COMMON> 41,550,946 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <OTHER-SE> 659,700,000 <TOTAL-LIABILITY-AND-EQUITY> 1,492,000,000 <SALES> 0 <TOTAL-REVENUES> 1,233,200,000 <CGS> 0 <TOTAL-COSTS> 1,124,800,000 <OTHER-EXPENSES> (1,100,000) <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 18,100,000 <INCOME-PRETAX> 91,400,000 <INCOME-TAX> 36,000,000 <INCOME-CONTINUING> 55,400,000 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 55,400,000 <EPS-PRIMARY> 1.32 <EPS-DILUTED> 0