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<PERIOD-TYPE>                                                          6-MOS
<FISCAL-YEAR-END>                                                                              SEP-30-1996
<PERIOD-END>                                                                                   MAR-31-1996
<CASH>                                                                                              12,114
<SECURITIES>                                                                                         4,018
<RECEIVABLES>                                                                                       21,654
<ALLOWANCES>                                                                                           336
<INVENTORY>                                                                                              0
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<PP&E>                                                                                              35,157
<DEPRECIATION>                                                                                      15,087
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<CURRENT-LIABILITIES>                                                                               24,036
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<PREFERRED>                                                                                              0
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<TOTAL-REVENUES>                                                                                    67,904
<CGS>                                                                                                    0
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<OTHER-EXPENSES>                                                                                         0
<LOSS-PROVISION>                                                                                         0
<INTEREST-EXPENSE>                                                                                      85
<INCOME-PRETAX>                                                                                     13,385
<INCOME-TAX>                                                                                         5,488
<INCOME-CONTINUING>                                                                                  7,897
<DISCONTINUED>                                                                                           0
<EXTRAORDINARY>                                                                                          0
<CHANGES>                                                                                                0
<NET-INCOME>                                                                                         7,897
<EPS-PRIMARY>                                                                                         0.62
<EPS-DILUTED>                                                                                         0.61