<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
FINANCIAL STATEMENTS AS OF AND FOR THE QUARTERS ENDED DECEMBER 31, 1995, MARCH
31, 1996 AND JUNE 30, 1996 AND AS OF AND FOR THE YEAR ENDED SEPTEMBER 30, 1996
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<RESTATED>
<MULTIPLIER> 1,000

<S>                             <C>                     <C>                     <C>                     <C>
<PERIOD-TYPE>                   3-MOS                   3-MOS                   3-MOS                   YEAR
<FISCAL-YEAR-END>                          SEP-30-1996             SEP-30-1996             SEP-30-1996             SEP-30-1996
<PERIOD-START>                             OCT-01-1995             OCT-01-1995             OCT-01-1995             OCT-01-1995
<PERIOD-END>                               DEC-31-1995             MAR-31-1996             JUN-30-1996             SEP-30-1996
<CASH>                                           3,416                   4,292                   3,900                   5,132
<SECURITIES>                                         0                       0                       0                       0
<RECEIVABLES>                                   17,593                  16,867                  19,090                  17,015
<ALLOWANCES>                                         0                       0                       0                       0
<INVENTORY>                                          0                       0                       0                       0
<CURRENT-ASSETS>                                25,232                  25,687                  26,833                  23,160
<PP&E>                                          18,507                  25,917                  26,381                  26,856
<DEPRECIATION>                                   5,684                   6,064                   6,522                   7,020
<TOTAL-ASSETS>                                 153,593                 180,766                 180,483                 165,751
<CURRENT-LIABILITIES>                           14,483                  14,767                   9,846                  15,991
<BONDS>                                              0                       0                       0                       0
<PREFERRED-MANDATORY>                                0                       0                       0                       0
<PREFERRED>                                          0                       0                       0                       0
<COMMON>                                            11                      11                      11                      12
<OTHER-SE>                                      44,428                  44,122                  43,765                  12,090
<TOTAL-LIABILITY-AND-EQUITY>                   153,593                 180,766                 180,483                 165,751
<SALES>                                              0                       0                       0                       0
<TOTAL-REVENUES>                                17,458                  33,153                  53,053                  71,732
<CGS>                                                0                       0                       0                       0
<TOTAL-COSTS>                                   13,616                  27,153                  43,096                  59,108
<OTHER-EXPENSES>                                   125                     205                   1,274                  41,716
<LOSS-PROVISION>                                     0                       0                       0                   1,658
<INTEREST-EXPENSE>                               2,350                   4,735                   7,986                  11,241
<INCOME-PRETAX>                                  1,367                   1,060                     697                (29,092)
<INCOME-TAX>                                        65                      65                      65                      65
<INCOME-CONTINUING>                              1,302                     995                     632                (29,157)
<DISCONTINUED>                                   (444)                 (1,108)                 (1,608)                 (9,988)
<EXTRAORDINARY>                                      0                       0                       0                 (7,461)
<CHANGES>                                            0                       0                       0                       0
<NET-INCOME>                                       858                   (113)                   (976)                (46,606)
<EPS-PRIMARY>                                     0.04                  (0.01)                  (0.05)                  (2.26)
<EPS-DILUTED>                                     0.04                  (0.01)                  (0.05)                  (2.26)


</TABLE>