<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
COMPANY'S CONSOLIDATED FINANCIAL STATEMENTS AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<RESTATED>
<MULTIPLIER> 1,000

<S>                             <C>                     <C>                     <C>                     <C>
<PERIOD-TYPE>                   9-MOS                   6-MOS                   3-MOS                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1997             DEC-31-1997             DEC-31-1997             DEC-31-1996
<PERIOD-START>                             JAN-01-1997             JAN-01-1997             JAN-01-1997             JAN-01-1996
<PERIOD-END>                               SEP-30-1997             JUN-30-1997             MAR-31-1997             DEC-31-1996
<CASH>                                          76,816                  79,492                  74,910                  23,779
<SECURITIES>                                         0                       0                       0                       0
<RECEIVABLES>                                   69,085                  60,924                  60,142                  57,873
<ALLOWANCES>                                     4,405                   4,310                   3,851                   3,502
<INVENTORY>                                     32,491                  33,710                  29,821                  29,082
<CURRENT-ASSETS>                               186,638                 180,230                 175,794                 121,639
<PP&E>                                         264,523                 265,698                 267,618                 269,366
<DEPRECIATION>                                       0                       0                       0                       0
<TOTAL-ASSETS>                                 487,912                 483,674                 479,831                 425,889
<CURRENT-LIABILITIES>                           72,942                  71,397                  62,480                  97,873
<BONDS>                                        289,750                 289,875                 290,000                 193,185
<PREFERRED-MANDATORY>                           59,463                  57,522                  55,704                  53,885
<PREFERRED>                                         38                      38                      38                      38
<COMMON>                                            14                      14                      14                      14
<OTHER-SE>                                      52,644                  50,362                  56,805                  65,528
<TOTAL-LIABILITY-AND-EQUITY>                   487,912                 483,674                 479,831                 425,889
<SALES>                                        755,747                 512,042                 255,393                 650,203
<TOTAL-REVENUES>                               780,302                 529,990                 265,113                 696,258
<CGS>                                          585,226                 404,689                 205,878                 568,694
<TOTAL-COSTS>                                  585,226                 404,689                 205,878                 568,694
<OTHER-EXPENSES>                               174,937                 119,076                  54,304                 103,446
<LOSS-PROVISION>                                 1,404                     606                     376                   2,545
<INTEREST-EXPENSE>                              16,954                  10,967                   5,105                  15,236
<INCOME-PRETAX>                                  3,185                 (4,742)                   (174)                   8,882
<INCOME-TAX>                                     1,231                 (1,838)                    (68)                   3,349
<INCOME-CONTINUING>                              1,954                 (2,904)                   (106)                   5,533
<DISCONTINUED>                                       0                       0                       0                       0
<EXTRAORDINARY>                                (5,554)                 (5,554)                 (5,554)                       0
<CHANGES>                                            0                       0                       0                       0
<NET-INCOME>                                   (3,600)                 (8,458)                 (5,660)                   5,533
<EPS-PRIMARY>                                   (8.23)                 (10.29)                  (0.50)                  (0.81)
<EPS-DILUTED>                                   (8.23)                 (10.29)                  (0.50)                  (0.81)


</TABLE>