<ARTICLE>           5
<LEGEND>            This schedule contains summary financial information
                    extracted from Form 10-Q for the nine months ended
                    March 31, 1998, and is qualified in its entirety by
                    reference to such financial statements.
<MULTIPLIER>        1,000
<PERIOD-TYPE>                        9-MOS
<FISCAL-YEAR-END>              JUN-30-1998
<PERIOD-END>                   MAR-31-1998
<CASH>                               6,716
<SECURITIES>                        32,580
<RECEIVABLES>                       31,839
<ALLOWANCES>                         2,684
<INVENTORY>                         13,268
<CURRENT-ASSETS>                    55,330
<PP&E>                              11,425
<DEPRECIATION>                       4,870
<TOTAL-ASSETS>                      90,775
<CURRENT-LIABILITIES>               14,432
<BONDS>                                  0
<COMMON>                                88
<PREFERRED-MANDATORY>                    0
<PREFERRED>                              0
<OTHER-SE>                          76,255
<TOTAL-LIABILITY-AND-EQUITY>        90,775
<SALES>                             58,052
<TOTAL-REVENUES>                    58,052
<CGS>                               27,730
<TOTAL-COSTS>                       50,261
<OTHER-EXPENSES>                     1,093
<LOSS-PROVISION>                         0
<INTEREST-EXPENSE>                       0
<INCOME-PRETAX>                      8,055
<INCOME-TAX>                         2,621
<INCOME-CONTINUING>                  5,434
<DISCONTINUED>                           0
<EXTRAORDINARY>                          0
<CHANGES>                                0
<NET-INCOME>                         5,434
<EPS-PRIMARY>                          .62
<EPS-DILUTED>                          .60