<ARTICLE> 5
<LEGEND>
The schedule contains summary fiancial information extracted from the
Company's balance sheets and consolidated statements of income and is
qualified in its entirety by reference to such financial statements.
</LEGEND>
<MULTIPLIER> 1000
       
                             
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          JUL-31-1996
<PERIOD-START>                             AUG-01-1995
<PERIOD-END>                               JUL-31-1996
<CASH>                                           18040
<SECURITIES>                                     82509
<RECEIVABLES>                                    48241
<ALLOWANCES>                                      1426
<INVENTORY>                                      50232
<CURRENT-ASSETS>                                202012
<PP&E>                                          132806
<DEPRECIATION>                                   85050
<TOTAL-ASSETS>                                  265162
<CURRENT-LIABILITIES>                            33497
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           688
<OTHER-SE>                                      211112
<TOTAL-LIABILITY-AND-EQUITY>                    265162
<SALES>                                         213781
<TOTAL-REVENUES>                                230460
<CGS>                                           133105
<TOTAL-COSTS>                                   138732
<OTHER-EXPENSES>                                 73915
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 832
<INCOME-PRETAX>                                  16160
<INCOME-TAX>                                      4241
<INCOME-CONTINUING>                              13065
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     13065
<EPS-PRIMARY>                                     1.04
<EPS-DILUTED>                                     1.04