<ARTICLE> 5
<RESTATED>
<MULTIPLIER> 1,000

                                                                                            
<PERIOD-TYPE>                   3-MOS                   6-MOS                   9-MOS                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1998             DEC-31-1998             DEC-31-1998             DEC-31-1998
<PERIOD-START>                             JAN-01-1998             JAN-01-1998             JAN-01-1998             JAN-01-1998
<PERIOD-END>                               MAR-31-1998             JUN-30-1998             SEP-30-1998             DEC-31-1998
<CASH>                                          16,310                  12,354                  10,004                   6,618
<SECURITIES>                                         0                       0                       0                       0
<RECEIVABLES>                                   92,999                  89,866                  77,056                  71,971
<ALLOWANCES>                                     2,262                   2,017                   7,198                  10,808
<INVENTORY>                                     20,496                  25,861                  22,033                  18,663
<CURRENT-ASSETS>                               133,272                 131,234                 112,308                 101,380
<PP&E>                                         271,664                 312,768                 313,263                 258,786
<DEPRECIATION>                                  69,599                  81,270                  68,650                  55,405
<TOTAL-ASSETS>                                 482,200                 520,872                 517,253                 484,284
<CURRENT-LIABILITIES>                           43,922                  32,424                  37,301                  35,945
<BONDS>                                        127,064                 160,267                 184,435                 208,057
<PREFERRED-MANDATORY>                                0                       0                       0                       0
<PREFERRED>                                          0                       0                       0                       0
<COMMON>                                           658                     670                     682                     688
<OTHER-SE>                                     290,979                 313,000                 290,713                 241,809
<TOTAL-LIABILITY-AND-EQUITY>                   482,200                 520,872                 517,253                 484,284
<SALES>                                         70,870                 136,356                 195,574                 245,458
<TOTAL-REVENUES>                                70,870                 136,356                 195,574                 245,458
<CGS>                                           41,974                  80,745                 120,705                 168,364
<TOTAL-COSTS>                                   51,511                 100,598                 165,627                 232,257
<OTHER-EXPENSES>                                     0                       0                       0                       0
<LOSS-PROVISION>                                     0                       0                   4,000                   9,180
<INTEREST-EXPENSE>                               2,638                   5,262                   8,059                  11,516
<INCOME-PRETAX>                                 16,745                  30,588                (13,991)                (93,784)
<INCOME-TAX>                                     5,923                  11,062                 (2,570)                (30,753)
<INCOME-CONTINUING>                             10,822                  19,526                (11,421)                (61,647)
<DISCONTINUED>                                     405                     810                     201                   (642)
<EXTRAORDINARY>                                      0                       0                       0                       0
<CHANGES>                                            0                       0                 (1,326)                 (1,326)
<NET-INCOME>                                    11,227                  20,336                (12,546)                (63,615)
<EPS-BASIC>                                       0.17                    0.31                  (0.19)                  (0.95)
<EPS-DILUTED>                                     0.17                    0.30                  (0.19)                  (0.95)