<TABLE> <S> <C>
<ARTICLE> 5
<LEGEND>
THE SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED BALANCE SHEETS AND CONSOLIDATED STATEMENTS OF EARNINGS AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> MAR-31-2001
<PERIOD-END> SEP-30-2000
<CASH> 9,271
<SECURITIES> 0
<RECEIVABLES> 216,213
<ALLOWANCES> 6,000
<INVENTORY> 0
<CURRENT-ASSETS> 385,179
<PP&E> 411,335
<DEPRECIATION> 162,131
<TOTAL-ASSETS> 1,222,220
<CURRENT-LIABILITIES> 165,211
<BONDS> 359,243
0
0
<COMMON> 8,859
<OTHER-SE> 627,421
<TOTAL-LIABILITY-AND-EQUITY> 1,222,220
<SALES> 0
<TOTAL-REVENUES> 521,618
<CGS> 0
<TOTAL-COSTS> 433,096
<OTHER-EXPENSES> (8,639)
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 11,509
<INCOME-PRETAX> 85,652
<INCOME-TAX> 32,976
<INCOME-CONTINUING> 52,676
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 52,676
<EPS-BASIC> .60
<EPS-DILUTED> .56
</TABLE>