<TABLE> <S> <C>

<PAGE>


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

<S>                            <C>                <C>               <C>               <C>                <C>
<PERIOD-TYPE>                  12-MOS             3-MOS             6-MOS             9-MOS             12-MOS
<FISCAL-YEAR-END>                    DEC-31-1995       DEC-31-1996       DEC-31-1996       DEC-31-1996        DEC-31-1996
<PERIOD-START>                       JAN-01-1995       JAN-01-1996       JAN-01-1996       JAN-01-1996        JAN-01-1996
<PERIOD-END>                         DEC-31-1995       MAR-31-1996       JUN-30-1996       SEP-30-1996        DEC-31-1996
<CASH>                                    60,477            90,790            63,738            52,639            319,378
<SECURITIES>                              46,116            41,902            26,791            26,731             14,881
<RECEIVABLES>                            180,933           188,353           176,927           166,365            172,622
<ALLOWANCES>                               1,733             1,664             1,617             1,575                889
<INVENTORY>                              290,444           311,348           335,076           285,109            277,095
<CURRENT-ASSETS>                         595,112           649,207           621,123           548,308            798,498
<PP&E>                                   697,099           702,832           709,617           717,658            738,937
<DEPRECIATION>                           147,807           156,058           165,039           174,228            183,246
<TOTAL-ASSETS>                         1,188,334         1,238,929         1,206,132         1,129,871          1,393,320
<CURRENT-LIABILITIES>                    401,977           442,094           411,453           351,158            399,009
<BONDS>                                  420,441           419,094           418,207           417,188            417,606
<PREFERRED-MANDATORY>                          0                 0                 0                 0                  0
<PREFERRED>                                    0                 0                 0                 0                  0
<COMMON>                                       0                 0                 0                 0                  0
<OTHER-SE>                               304,118           323,973           322,938           313,610            534,931
<TOTAL-LIABILITY-AND-EQUITY>           1,188,334         1,238,929         1,206,132         1,129,871          1,393,320
<SALES>                                4,476,255         1,137,961         2,469,939         3,716,875          5,063,594
<TOTAL-REVENUES>                       4,492,157         1,142,473         2,478,874         3,729,591          5,082,449
<CGS>                                  4,018,274         1,025,208         2,225,072         3,346,318          4,559,982
<TOTAL-COSTS>                          4,391,755         1,125,659         2,425,029         3,650,877          4,978,989
<OTHER-EXPENSES>                          42,032            12,424            27,396            41,137             53,910
<LOSS-PROVISION>                               0                 0                 0                 0                  0
<INTEREST-EXPENSE>                        47,394            10,737            21,574            32,207             42,929
<INCOME-PRETAX>                         (41,200)          (21,970)          (23,538)          (38,584)           (52,441)
<INCOME-TAX>                            (15,656)           (8,349)             8,944            14,662             13,914
<INCOME-CONTINUING>                     (25,544)          (13,621)          (14,594)          (23,922)           (38,527)
<DISCONTINUED>                                 0                 0                 0                 0                  0
<EXTRAORDINARY>                                0                 0                 0                 0                  0
<CHANGES>                                      0                 0                 0                 0                  0
<NET-INCOME>                            (25,544)          (13,621)          (14,594)          (23,922)           (38,527)
<EPS-PRIMARY>                                  0                 0                 0                 0                  0
<EPS-DILUTED>                                  0                 0                 0                 0                  0


</TABLE>