<ARTICLE>                     5
<LEGEND>
     The schedule contains summary financial information extracted from 
financial statements in the Registrant's Form 10-Q and is qualified in its 
entirety by reference to such financail statements.
</LEGEND>
<MULTIPLIER>                  1,000                         
       
 
<PERIOD-TYPE>                             6-MOS           
<FISCAL-YEAR-END>                              DEC-31-1998
<PERIOD-START>                                 JAN-01-1998
<PERIOD-END>                                   JUN-30-1998
<CASH>                                                   21,732   
<SECURITIES>                                                  0   
<RECEIVABLES>                                            66,625   
<ALLOWANCES>                                             10,365   
<INVENTORY>                                              18,094   
<CURRENT-ASSETS>                                        161,608   
<PP&E>                                                  543,774   
<DEPRECIATION>                                          184,141   
<TOTAL-ASSETS>                                          820,586   
<CURRENT-LIABILITIES>                                    74,964   
<BONDS>                                                 199,846   
<PREFERRED-MANDATORY>                                         0   
<PREFERRED>                                                   0   
<COMMON>                                                    367   
<OTHER-SE>                                               15,730   
<TOTAL-LIABILITY-AND-EQUITY>                            820,586   
<SALES>                                                 191,364   
<TOTAL-REVENUES>                                        210,152   
<CGS>                                                    16,231   
<TOTAL-COSTS>                                            39,951   
<OTHER-EXPENSES>                                        138,142   
<LOSS-PROVISION>                                              0   
<INTEREST-EXPENSE>                                       31,806   
<INCOME-PRETAX>                                          88,490   
<INCOME-TAX>                                             41,439   
<INCOME-CONTINUING>                                           0   
<DISCONTINUED>                                                0   
<EXTRAORDINARY>                                          (3,971)  
<CHANGES>                                                     0   
<NET-INCOME>                                             43,080   
<EPS-PRIMARY>                                              1.15   
<EPS-DILUTED>                                              1.12