<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