
<TABLE> <S> <C>

<PAGE>

<ARTICLE> 5
       
<S>                                         <C>
<PERIOD-TYPE>                           3-MOS
<FISCAL-YEAR-END>                              JUN-30-1996     
<PERIOD-START>                                 JUL-01-1995        
<PERIOD-END>                                   SEP-30-1995    
<CASH>                                              51,608   
<SECURITIES>                                        19,972  
<RECEIVABLES>                                       29,725  
<ALLOWANCES>                                             0  
<INVENTORY>                                         27,477  
<CURRENT-ASSETS>                                   129,989  
<PP&E>                                             128,110  
<DEPRECIATION>                                      59,560  
<TOTAL-ASSETS>                                     233,051  
<CURRENT-LIABILITIES>                               18,581  
<BONDS>                                              5,750  
<COMMON>                                               195  
<PREFERRED-MANDATORY>                                    0  
<PREFERRED>                                              0  
<OTHER-SE>                                         187,499  
<TOTAL-LIABILITY-AND-EQUITY>                       233,051  
<SALES>                                             38,991  
<TOTAL-REVENUES>                                    38,767  
<CGS>                                               29,872  
<TOTAL-COSTS>                                       35,125  
<OTHER-EXPENSES>                                         0  
<LOSS-PROVISION>                                         0  
<INTEREST-EXPENSE>                                     208  
<INCOME-PRETAX>                                      5,060  
<INCOME-TAX>                                         1,472  
<INCOME-CONTINUING>                                  3,659  
<DISCONTINUED>                                           0  
<EXTRAORDINARY>                                          0  
<CHANGES>                                                0  
<NET-INCOME>                                         3,659  
<EPS-PRIMARY>                                          .19  
<EPS-DILUTED>                                          .19   
        


</TABLE>
