<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM BALANCE
SHEET AS OF DECEMBER 31, 1995 AND STATEMENT OF INCOME FOR SIX MONTHS ENDED
DECEMBER 31, 1995.
</LEGEND>
<RESTATED> 
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          JUN-30-1996
<PERIOD-START>                             OCT-01-1995
<PERIOD-END>                               DEC-31-1995
<CASH>                                          58,194
<SECURITIES>                                         0
<RECEIVABLES>                                   91,376
<ALLOWANCES>                                       669
<INVENTORY>                                     10,479
<CURRENT-ASSETS>                               162,623
<PP&E>                                         550,409
<DEPRECIATION>                                 126,239
<TOTAL-ASSETS>                                 600,130
<CURRENT-LIABILITIES>                          163,630
<BONDS>                                              0
<PREFERRED-MANDATORY>                            1,830
<PREFERRED>                                          0
<COMMON>                                             0
<OTHER-SE>                                     101,015
<TOTAL-LIABILITY-AND-EQUITY>                   600,130
<SALES>                                         53,754
<TOTAL-REVENUES>                                55,545
<CGS>                                           36,018
<TOTAL-COSTS>                                   42,562
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                    11
<INTEREST-EXPENSE>                               1,912
<INCOME-PRETAX>                                 12,983
<INCOME-TAX>                                     4,609
<INCOME-CONTINUING>                              8,374
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     8,374
<EPS-PRIMARY>                                      .16
<EPS-DILUTED>                                      .14