<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
COMPANY'S CONSOLIDATED FINANCIAL STATEMENTS AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH FINANCIAL STATEMENTS
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          MAY-31-1997
<PERIOD-END>                               MAY-31-1997
<CASH>                                         142,726
<SECURITIES>                                         0
<RECEIVABLES>                                  308,925
<ALLOWANCES>                                     3,093
<INVENTORY>                                    238,040
<CURRENT-ASSETS>                               751,511
<PP&E>                                         699,283
<DEPRECIATION>                                 356,153
<TOTAL-ASSETS>                               1,316,741
<CURRENT-LIABILITIES>                          304,089
<BONDS>                                        151,579
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                       226,591
<OTHER-SE>                                     544,692
<TOTAL-LIABILITY-AND-EQUITY>                 1,316,741
<SALES>                                              0
<TOTAL-REVENUES>                             1,940,082
<CGS>                                                0
<TOTAL-COSTS>                                1,107,355
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              12,111
<INCOME-PRETAX>                                168,802
<INCOME-TAX>                                    54,017
<INCOME-CONTINUING>                            114,785
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   114,785
<EPS-PRIMARY>                                     3.48
<EPS-DILUTED>                                     3.48