<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
       
                                                                          
<PERIOD-TYPE>                                                              3-MOS
<FISCAL-YEAR-END>                                                    MAR-31-1999
<PERIOD-END>                                                         JUN-30-1998
<CASH>                                                                     8,533
<SECURITIES>                                                                   0
<RECEIVABLES>                                                             97,369
<ALLOWANCES>                                                               4,000
<INVENTORY>                                                                    0
<CURRENT-ASSETS>                                                         132,802
<PP&E>                                                                   244,633
<DEPRECIATION>                                                           110,312
<TOTAL-ASSETS>                                                           433,755
<CURRENT-LIABILITIES>                                                     61,315
<BONDS>                                                                  137,161
<PREFERRED-MANDATORY>                                                          0
<PREFERRED>                                                                    0
<COMMON>                                                                   5,328
<OTHER-SE>                                                               203,986
<TOTAL-LIABILITY-AND-EQUITY>                                             433,755
<SALES>                                                                        0
<TOTAL-REVENUES>                                                         128,608
<CGS>                                                                          0
<TOTAL-COSTS>                                                            115,771
<OTHER-EXPENSES>                                                           (945)
<LOSS-PROVISION>                                                               0
<INTEREST-EXPENSE>                                                         2,210
<INCOME-PRETAX>                                                           11,572
<INCOME-TAX>                                                               4,281
<INCOME-CONTINUING>                                                        7,291
<DISCONTINUED>                                                                 0
<EXTRAORDINARY>                                                                0
<CHANGES>                                                                      0
<NET-INCOME>                                                               7,291
<EPS-PRIMARY>                                                                .14
<EPS-DILUTED>                                                                .12