<ARTICLE> 5
<MULTIPLIER>     1,000
       
                                                                                                         
<PERIOD-TYPE>                   3-MOS                 6-MOS                 9-MOS                 12-MOS                12-MOS
<FISCAL-YEAR-END>               DEC-31-1996           DEC-31-1996           DEC-31-1996           DEC-31-1996           DEC-31-1995
<PERIOD-END>                    MAR-31-1996           JUN-30-1996           SEP-30-1996           DEC-31-1996           DEC-31-1995
<CASH>                                1,469                 1,443                 1,605                    60                 1,444
<SECURITIES>                          1,327                 1,327                 1,327                     0                 1,327
<RECEIVABLES>                       163,002               155,201               136,095               164,765               196,115
<ALLOWANCES>                       (18,216)              (14,157)              (10,262)              (11,607)              (21,168)
<INVENTORY>                               0                     0                     0                     0                     0
<CURRENT-ASSETS>                     34,803                49,685                37,340                30,931                38,419
<PP&E>                               68,153                61,848                64,774                58,297                71,192
<DEPRECIATION>                     (32,344)              (32,352)              (32,958)              (27,545)              (37,281)
<TOTAL-ASSETS>                      473,680               475,033               466,690               502,193               520,214
<CURRENT-LIABILITIES>                64,935                65,907                72,336                58,549                80,875
<BONDS>                                   0                     0                     0                     0                     0
<PREFERRED-MANDATORY>                     0                     0                     0                     0                     0
<PREFERRED>                               0                     0                     0                     0                     0
<COMMON>                             12,002                12,002                12,002                12,002                12,002
<OTHER-SE>                          351,219               351,600               336,828               367,182               411,767
<TOTAL-LIABILITY-AND-EQUITY>        473,680               475,033               466,690               502,193               520,214
<SALES>                                   0                     0                     0                     0                     0
<TOTAL-REVENUES>                     23,170                87,785               145,528               270,029               312,940
<CGS>                                     0                     0                     0                     0                     0
<TOTAL-COSTS>                        16,249                85,264               115,539               102,587               130,145
<OTHER-EXPENSES>                          0                28,500                28,500                28,500                     0
<LOSS-PROVISION>                          0                     0                     0                     0                     0
<INTEREST-EXPENSE>                        0                     0                     0                     0                     0
<INCOME-PRETAX>                       6,921              (25,979)                 1,489               138,942               182,795
<INCOME-TAX>                        (3,032)                11,378                 (653)              (60,857)              (74,398)
<INCOME-CONTINUING>                   3,889              (14,601)                   836                78,085               108,397
<DISCONTINUED>                            0                     0                     0                     0                     0
<EXTRAORDINARY>                           0                     0                     0                     0                     0
<CHANGES>                                 0                     0                     0                     0                     0
<NET-INCOME>                          3,889              (14,601)                   836                78,085               108,397
<EPS-PRIMARY>                          0.02                (0.09)                  0.00                  0.46                  0.64
<EPS-DILUTED>                          0.02                (0.09)                  0.00                  0.46                  0.64