<ARTICLE> 5
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          NOV-30-1997
<PERIOD-START>                             DEC-01-1996
<PERIOD-END>                               FEB-28-1997
<CASH>                                          55,452
<SECURITIES>                                    31,442
<RECEIVABLES>                                   65,685
<ALLOWANCES>                                         0
<INVENTORY>                                     67,905
<CURRENT-ASSETS>                               193,087
<PP&E>                                         222,045
<DEPRECIATION>                                 163,227
<TOTAL-ASSETS>                                 339,742
<CURRENT-LIABILITIES>                           34,897
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        65,378
<OTHER-SE>                                     225,420
<TOTAL-LIABILITY-AND-EQUITY>                   339,742
<SALES>                                        109,806
<TOTAL-REVENUES>                               111,885
<CGS>                                           91,573
<TOTAL-COSTS>                                  107,421
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                    25
<INTEREST-EXPENSE>                               2,000
<INCOME-PRETAX>                                  4,463
<INCOME-TAX>                                     1,030
<INCOME-CONTINUING>                              3,433
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     3,433
<EPS-PRIMARY>                                      .26
<EPS-DILUTED>                                        0