<ARTICLE> 5 <CURRENCY> U.S. DOLLARS <PERIOD-TYPE> 12-MOS <FISCAL-YEAR-END> MAY-31-1999 <PERIOD-START> JUN-01-1998 <PERIOD-END> MAY-31-1999 <EXCHANGE-RATE> 1 <CASH> 73,867 <SECURITIES> 7 <RECEIVABLES> 153,333 <ALLOWANCES> 0 <INVENTORY> 97,603 <CURRENT-ASSETS> 340,680 <PP&E> 516,175 <DEPRECIATION> 301,571 <TOTAL-ASSETS> 581,710 <CURRENT-LIABILITIES> 110,653 <BONDS> 164,338 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 37,053 <OTHER-SE> 196,709 <TOTAL-LIABILITY-AND-EQUITY> 581,710 <SALES> 838,307 <TOTAL-REVENUES> 849,261 <CGS> 715,902 <TOTAL-COSTS> 715,902 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 14,234 <INCOME-PRETAX> 47,495 <INCOME-TAX> 10,467 <INCOME-CONTINUING> 37,028 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 37,028 <EPS-BASIC> 1.02 <EPS-DILUTED> 1.01