<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FORM 10-Q
FOR THE QUARTERLY PERIOD END JANUARY 31, 1995 AND IS QUALIFIED IN ITS ENTIRETY
BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          JUL-31-1994
<PERIOD-END>                               JAN-31-1995
<CASH>                                          12,276
<SECURITIES>                                         0
<RECEIVABLES>                                   15,502
<ALLOWANCES>                                         0
<INVENTORY>                                      2,218
<CURRENT-ASSETS>                                30,627
<PP&E>                                          24,040
<DEPRECIATION>                                       0
<TOTAL-ASSETS>                                  82,688
<CURRENT-LIABILITIES>                            6,882
<BONDS>                                              0
<COMMON>                                           198
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<OTHER-SE>                                      71,807
<TOTAL-LIABILITY-AND-EQUITY>                    82,688
<SALES>                                         15,069
<TOTAL-REVENUES>                                15,069
<CGS>                                            6,897
<TOTAL-COSTS>                                    6,074
<OTHER-EXPENSES>                              (21,000)<F1>
<LOSS-PROVISION>                                 1,097
<INTEREST-EXPENSE>                               (309)<F2>
<INCOME-PRETAX>                                 22,310
<INCOME-TAX>                                     3,030
<INCOME-CONTINUING>                             19,280
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    19,280
<EPS-PRIMARY>                                      .93
<EPS-DILUTED>                                      .93
<FN>
<F1>LITIGATION SETTLEMENT GAIN - NET OF LEGAL FEES
<F2>INTEREST INCOME - NET OF EXPENSE
</FN>