<ARTICLE> 5 <RESTATED> <MULTIPLIER> 1,000 <PERIOD-TYPE> 6-MOS 9-MOS 6-MOS 9-MOS <FISCAL-YEAR-END> DEC-31-1996 DEC-31-1996 DEC-31-1997 DEC-31-1997 <PERIOD-START> JAN-01-1996 JAN-01-1996 JAN-01-1997 JAN-01-1997 <PERIOD-END> JUN-30-1996 SEP-30-1996 JUN-30-1997 SEP-30-1997 <CASH> 2,542 3,487 15,687 15,703 <SECURITIES> 0 0 0 20,143 <RECEIVABLES> 117,767 135,101 67,942 78,009 <ALLOWANCES> 0 0 0 0 <INVENTORY> 80,882 76,528 82,696 86,747 <CURRENT-ASSETS> 211,611 224,912 166,786 197,642 <PP&E> 297,731 282,548 280,814 295,002 <DEPRECIATION> (48,771) (48,558) (53,963) (54,221) <TOTAL-ASSETS> 586,097 595,736 562,185 629,988 <CURRENT-LIABILITIES> 114,832 125,373 140,266 150,655 <BONDS> 0 0 0 0 <PREFERRED-MANDATORY> 0 0 0 0 <PREFERRED> 0 0 0 0 <COMMON> 307 307 424 424 <OTHER-SE> 129,554 135,075 156,628 165,887 <TOTAL-LIABILITY-AND-EQUITY> 586,097 595,736 562,185 629,988 <SALES> 459,126 701,828 503,914 782,709 <TOTAL-REVENUES> 459,126 701,828 503,914 782,709 <CGS> 364,687 553,701 391,330 609,345 <TOTAL-COSTS> 428,931 651,802 465,396 721,348 <OTHER-EXPENSES> (90) (190) 1,029 2,376 <LOSS-PROVISION> 0 0 0 0 <INTEREST-EXPENSE> 17,475 26,658 12,328 18,817 <INCOME-PRETAX> 12,810 23,558 25,161 40,168 <INCOME-TAX> 5,182 9,464 9,434 15,620 <INCOME-CONTINUING> 7,628 14,094 15,727 24,548 <DISCONTINUED> 0 0 0 0 <EXTRAORDINARY> 0 0 0 0 <CHANGES> 0 0 0 0 <NET-INCOME> 7,628 14,0904 15,727 24,548 <EPS-PRIMARY> 0.19 0.36 0.39 0.61 <EPS-DILUTED> 0.19 0.35 0.38 0.59