<TABLE> <S> <C>

<PAGE>

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

<S>                             <C>                     <C>                     <C>                     <C>
<PERIOD-TYPE>                   3-MOS                   6-MOS                   9-MOS                   12-MOS
<FISCAL-YEAR-END>                         DEC-31-1996             DEC-31-1996             DEC-31-1996              DEC-31-1996
<PERIOD-START>                            JAN-01-1996             JAN-01-1996             JAN-01-1996              JAN-01-1996
<PERIOD-END>                              MAR-31-1996             JUN-30-1996             SEP-30-1996              DEC-31-1996
<CASH>                                        104,628                  82,664                  83,836                  339,963
<SECURITIES>                                   41,902                  26,791                  26,731                   14,881
<RECEIVABLES>                                 192,296                 176,616                 165,030                  172,603
<ALLOWANCES>                                    1,664                   1,617                   1,575                      889
<INVENTORY>                                   311,348                 335,076                 285,109                  277,095
<CURRENT-ASSETS>                              681,242                 655,737                 807,643                  821,006
<PP&E>                                        704,740                 711,422                 719,823                  740,754
<DEPRECIATION>                                156,384                 165,263                 174,813                  183,498
<TOTAL-ASSETS>                              1,393,225               1,361,095               1,417,921                1,432,803
<CURRENT-LIABILITIES>                         444,617                 407,994                 355,857                  390,912
<BONDS>                                       768,244                 771,958                 775,959                  781,362
<PREFERRED-MANDATORY>                               0                       0                       0                        0
<PREFERRED>                                         0                       0                       0                        0
<COMMON>                                          292                     292                     292                      292
<OTHER-SE>                                    140,740                 141,120                 241,313                  214,096
<TOTAL-LIABILITY-AND-EQUITY>                1,393,225               1,361,095               1,417,921                1,432,803
<SALES>                                     1,137,999               2,470,129               3,717,205                5,063,938
<TOTAL-REVENUES>                            1,149,854               2,493,671               3,751,649                5,115,838
<CGS>                                       1,024,554               2,223,683               3,344,179                4,557,011
<TOTAL-COSTS>                               1,125,204               2,424,074               3,649,515                4,976,983
<OTHER-EXPENSES>                               12,438                  29,208                  43,882                   57,592
<LOSS-PROVISION>                                    0                       0                       0                        0
<INTEREST-EXPENSE>                             20,056                  40,252                  60,662                   81,159
<INCOME-PRETAX>                              (24,436)                (28,475)                (46,616)                 (59,294)
<INCOME-TAX>                                  (9,196)                  10,638                  17,422                    3,130
<INCOME-CONTINUING>                          (15,240)                (17,837)                (29,194)                 (56,164)
<DISCONTINUED>                                      0                       0                       0                        0
<EXTRAORDINARY>                                     0                       0                       0                        0
<CHANGES>                                           0                       0                       0                        0
<NET-INCOME>                                 (15,240)                (17,837)                (29,194)                 (56,164)
<EPS-PRIMARY>                                       0                       0                       0                        0
<EPS-DILUTED>                                       0                       0                       0                        0


</TABLE>