<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FORM 10-Q
FOR THE PERIOD ENDED SEPTEMBER 30, 2000 AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 3-MOS
<FISCAL-YEAR-END> JUN-30-2001
<PERIOD-START> JUL-01-2000
<PERIOD-END> SEP-30-2000
<CASH> 2,635
<SECURITIES> 0
<RECEIVABLES> 138,460
<ALLOWANCES> 0
<INVENTORY> 12,613
<CURRENT-ASSETS> 159,260
<PP&E> 932,065
<DEPRECIATION> (174,858)
<TOTAL-ASSETS> 1,144,756
<CURRENT-LIABILITIES> 78,603
<BONDS> 549,558
0
0
<COMMON> 9,746
<OTHER-SE> 404,784
<TOTAL-LIABILITY-AND-EQUITY> 392,113
<SALES> 191,679
<TOTAL-REVENUES> 191,679
<CGS> 130,467
<TOTAL-COSTS> 179,450
<OTHER-EXPENSES> 0
<LOSS-PROVISION> 194
<INTEREST-EXPENSE> 16,111
<INCOME-PRETAX> 12,229
<INCOME-TAX> (4,719)
<INCOME-CONTINUING> 7,510
<DISCONTINUED> 0
<EXTRAORDINARY> 1,197
<CHANGES> 0
<NET-INCOME> 8,707
<EPS-BASIC> 0.09
<EPS-DILUTED> 0.09
</TABLE>