<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
FINANCIAL STATEMENTS INCLUDED IN THE REGISTRANT'S FILING ON FORM 10-Q FOR
THE QUARTERLY PERIOD ENDED JUNE 30, 1996 AND IS QUALIFIED IN ITS ENTIRETY
BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<RESTATED> 
<MULTIPLIER> 1000
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-END>                               JUN-30-1996
<CASH>                                          38,552
<SECURITIES>                                         0
<RECEIVABLES>                                   27,367
<ALLOWANCES>                                     1,139
<INVENTORY>                                     22,288
<CURRENT-ASSETS>                                88,910
<PP&E>                                          23,995
<DEPRECIATION>                                  15,684
<TOTAL-ASSETS>                                 154,617
<CURRENT-LIABILITIES>                           58,273
<BONDS>                                         14,006
<COMMON>                                           517
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                      7,300
<OTHER-SE>                                      74,521
<TOTAL-LIABILITY-AND-EQUITY>                   154,617
<SALES>                                        118,948
<TOTAL-REVENUES>                               118,948
<CGS>                                           73,459
<TOTAL-COSTS>                                   73,459
<OTHER-EXPENSES>                                56,224
<LOSS-PROVISION>                                 1,026
<INTEREST-EXPENSE>                               1,563
<INCOME-PRETAX>                                 30,851
<INCOME-TAX>                                    12,349
<INCOME-CONTINUING>                             18,502
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    18,502
<EPS-PRIMARY>                                     0.35
<EPS-DILUTED>                                     0.35