<TABLE> <S> <C>

<PAGE>

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

<S>                             <C>                     <C>                     <C>
<PERIOD-TYPE>                   3-MOS                   6-MOS                   9-MOS
<FISCAL-YEAR-END>                         DEC-31-1997             DEC-31-1997             DEC-31-1997
<PERIOD-START>                            JAN-01-1997             JAN-01-1997             JAN-01-1997
<PERIOD-END>                              MAR-31-1997             JUN-30-1997             SEP-30-1997
<CASH>                                        212,248                 269,120                 282,967
<SECURITIES>                                   14,793                  14,773                  14,818
<RECEIVABLES>                                 138,817                 125,664                 109,878
<ALLOWANCES>                                    1,479                   1,496                   1,593
<INVENTORY>                                   339,826                 289,602                 335,248
<CURRENT-ASSETS>                              724,443                 714,095                 759,425
<PP&E>                                        766,531                 772,919                 785,686
<DEPRECIATION>                                191,580                 199,661                 210,282
<TOTAL-ASSETS>                              1,375,757               1,359,323               1,402,804
<CURRENT-LIABILITIES>                         376,573                 323,276                 316,384
<BONDS>                                       785,702                 790,202                 794,837
<PREFERRED-MANDATORY>                               0                       0                       0
<PREFERRED>                                         0                       0                       0
<COMMON>                                          292                     292                     292
<OTHER-SE>                                    166,735                 199,008                 243,562
<TOTAL-LIABILITY-AND-EQUITY>                1,375,757               1,359,323               1,402,804
<SALES>                                       997,582               2,168,946               3,290,347
<TOTAL-REVENUES>                            1,003,365               2,180,342               3,308,218
<CGS>                                         892,878               1,873,307               2,789,395
<TOTAL-COSTS>                               1,000,503               2,085,443               3,109,490
<OTHER-EXPENSES>                               14,733                  32,532                  51,462
<LOSS-PROVISION>                                    0                       0                       0
<INTEREST-EXPENSE>                             20,522                  41,301                  62,346
<INCOME-PRETAX>                              (47,361)                 (8,088)                  36,921
<INCOME-TAX>                                        0                   7,000                   7,497
<INCOME-CONTINUING>                          (47,361)                (15,088)                  29,424
<DISCONTINUED>                                      0                       0                       0
<EXTRAORDINARY>                                     0                       0                       0
<CHANGES>                                           0                       0                       0
<NET-INCOME>                                 (47,361)                (15,088)                  29,424
<EPS-PRIMARY>                                       0                       0                       0
<EPS-DILUTED>                                       0                       0                       0


</TABLE>