<ARTICLE>                     5
<LEGEND>

THE FOLLOWING IS A RESTATED  FINANCIAL  DATA SCHEDULE AS A RESULT OF ADOPTION OF
STATEMENT OF FINANCIAL ACCOUNTING STANDARDS NO. 128 AND CERTAIN INCOME STATEMENT
RECLASSIFICATIONS.

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-31-1998
<PERIOD-END>                                                         JUN-30-1997
<CASH>                                                                       626
<SECURITIES>                                                                   0
<RECEIVABLES>                                                             81,874
<ALLOWANCES>                                                               4,630
<INVENTORY>                                                                    0
<CURRENT-ASSETS>                                                          94,192
<PP&E>                                                                   204,032
<DEPRECIATION>                                                            87,359
<TOTAL-ASSETS>                                                           316,508
<CURRENT-LIABILITIES>                                                     32,458
<BONDS>                                                                   99,232
<PREFERRED-MANDATORY>                                                          0
<PREFERRED>                                                                    0
<COMMON>                                                                   5,289
<OTHER-SE>                                                               158,403
<TOTAL-LIABILITY-AND-EQUITY>                                             316,508
<SALES>                                                                        0
<TOTAL-REVENUES>                                                         100,327
<CGS>                                                                          0
<TOTAL-COSTS>                                                             90,693
<OTHER-EXPENSES>                                                           (401)
<LOSS-PROVISION>                                                               0
<INTEREST-EXPENSE>                                                         1,534
<INCOME-PRETAX>                                                            8,501
<INCOME-TAX>                                                               3,188
<INCOME-CONTINUING>                                                        5,313
<DISCONTINUED>                                                                 0
<EXTRAORDINARY>                                                                0
<CHANGES>                                                                      0
<NET-INCOME>                                                               5,313
<EPS-PRIMARY>                                                                .10
<EPS-DILUTED>                                                                .09