<ARTICLE> 5 <RESTATED> <MULTIPLIER> 1,000 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> SEP-30-1997 <PERIOD-END> MAR-31-1997 <CASH> 100,324 <SECURITIES> 0 <RECEIVABLES> 276,824 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 420,566 <PP&E> 172,013 <DEPRECIATION> 88,898 <TOTAL-ASSETS> 617,775 <CURRENT-LIABILITIES> 251,444 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 25,756 <OTHER-SE> 277,741 <TOTAL-LIABILITY-AND-EQUITY> 617,775 <SALES> 0 <TOTAL-REVENUES> 871,384 <CGS> 0 <TOTAL-COSTS> 762,913 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> (1,374) <INCOME-PRETAX> 36,904 <INCOME-TAX> 14,614 <INCOME-CONTINUING> 22,290 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 22,290 <EPS-PRIMARY> 0.86 <EPS-DILUTED> 0.86