<ARTICLE> 5

                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          SEP-30-1999
<PERIOD-START>                             OCT-01-1998
<PERIOD-END>                               SEP-30-1999
<CASH>                                          87,709
<SECURITIES>                                         0
<RECEIVABLES>                                   39,243<F1>
<ALLOWANCES>                                       574
<INVENTORY>                                     39,590
<CURRENT-ASSETS>                               173,546
<PP&E>                                         109,763
<DEPRECIATION>                                  38,445
<TOTAL-ASSETS>                                 378,385
<CURRENT-LIABILITIES>                           78,217
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           128
<OTHER-SE>                                     248,561
<TOTAL-LIABILITY-AND-EQUITY>                   378,385
<SALES>                                        416,102
<TOTAL-REVENUES>                               416,102
<CGS>                                          317,681
<TOTAL-COSTS>                                  341,315
<OTHER-EXPENSES>                                 4,871
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               6,460
<INCOME-PRETAX>                                 63,456
<INCOME-TAX>                                    13,001
<INCOME-CONTINUING>                             50,455
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    25,446
<EPS-BASIC>                                       2.06
<EPS-DILUTED>                                     2.02
<FN>
<F1>This number does not include 11.8 million of Costs and Estimated Earnings on
Long-Term Contracts
</FN>