<ARTICLE> 5
       
                                                  
<PERIOD-TYPE>                   9-MOS                   9-MOS
<FISCAL-YEAR-END>                          JUN-30-1997             JUN-30-1996
<PERIOD-START>                             JUL-01-1996             JUL-01-1995
<PERIOD-END>                               MAR-31-1997             MAR-31-1996
<CASH>                                      14,098,561              53,893,877
<SECURITIES>                                         0                       0
<RECEIVABLES>                               31,153,609              27,817,503
<ALLOWANCES>                                 2,300,000                 900,000
<INVENTORY>                                 34,403,427              16,460,443
<CURRENT-ASSETS>                             5,699,200             101,664,397
<PP&E>                                      70,004,696              40,034,327
<DEPRECIATION>                              39,439,974              18,020,466
<TOTAL-ASSETS>                             184,602,276             129,253,624
<CURRENT-LIABILITIES>                       29,146,560              14,235,027
<BONDS>                                              0                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                       197,548                 188,694
<OTHER-SE>                                 136,538,461             109,037,967
<TOTAL-LIABILITY-AND-EQUITY>               184,602,276             129,253,624
<SALES>                                    124,928,123              89,566,949
<TOTAL-REVENUES>                           124,928,123              89,566,949
<CGS>                                       55,870,909              39,371,837
<TOTAL-COSTS>                               55,870,909              39,371,837
<OTHER-EXPENSES>                            44,677,258              33,555,020
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                             352,418                 146,284
<INCOME-PRETAX>                             24,027,538              17,257,955
<INCOME-TAX>                                 9,611,015               6,730,602
<INCOME-CONTINUING>                         14,416,523              10,527,353
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                14,416,523              10,527,353
<EPS-PRIMARY>                                     0.71                    0.59
<EPS-DILUTED>                                     0.71                    0.59