<ARTICLE> 5
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          AUG-31-1999
<PERIOD-START>                             SEP-01-1999
<PERIOD-END>                               AUG-31-1999
<CASH>                                          14,232
<SECURITIES>                                    18,236
<RECEIVABLES>                                   12,909
<ALLOWANCES>                                         0
<INVENTORY>                                      7,659
<CURRENT-ASSETS>                                56,924
<PP&E>                                          39,154
<DEPRECIATION>                                  23,738
<TOTAL-ASSETS>                                 100,389
<CURRENT-LIABILITIES>                           16,756
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        17,074
<OTHER-SE>                                      65,624
<TOTAL-LIABILITY-AND-EQUITY>                   100,389
<SALES>                                        116,651
<TOTAL-REVENUES>                               116,651
<CGS>                                           86,007
<TOTAL-COSTS>                                   86,007
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                 18,189
<INCOME-TAX>                                     5,457
<INCOME-CONTINUING>                                  0
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    12,732
<EPS-BASIC>                                       0.99
<EPS-DILUTED>                                     0.96