<TABLE> <S> <C>

<PAGE>
 
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
FINANCIAL STATEMENTS FOR THE QUARTERLY PERIOD ENDED DECEMBER 31, 1996 AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<RESTATED> 
<MULTIPLIER> 1,000
       
<S>                             <C>                     <C>
<PERIOD-TYPE>                   2-MOS                   5-MOS
<FISCAL-YEAR-END>                          JUN-30-1997             JUN-30-1997
<PERIOD-START>                             NOV-01-1996             AUG-01-1996
<PERIOD-END>                               DEC-31-1996             DEC-31-1996
<CASH>                                          36,267                  36,267
<SECURITIES>                                         0                       0
<RECEIVABLES>                                   17,119                  17,119
<ALLOWANCES>                                     3,659                   3,659
<INVENTORY>                                      7,489                   7,489
<CURRENT-ASSETS>                                61,482                  61,482
<PP&E>                                          24,281                  24,281
<DEPRECIATION>                                  10,282                  10,282
<TOTAL-ASSETS>                                  81,894                  81,894
<CURRENT-LIABILITIES>                           36,037                  36,037
<BONDS>                                              0                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                        79,763                  79,763
<OTHER-SE>                                    (34,730)                (34,730)
<TOTAL-LIABILITY-AND-EQUITY>                    81,894                  81,894
<SALES>                                         16,833                  40,096
<TOTAL-REVENUES>                                16,833                  40,096
<CGS>                                            8,003                  20,290
<TOTAL-COSTS>                                    8,003                  20,290
<OTHER-EXPENSES>                                     0                       0
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                                   8                      54
<INCOME-PRETAX>                                  3,275                   3,115
<INCOME-TAX>                                     1,310                   1,962
<INCOME-CONTINUING>                              1,965                   1,153
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                     1,965                   1,153
<EPS-PRIMARY>                                     0.07                    0.04
<EPS-DILUTED>                                     0.07                    0.04
        

</TABLE>