<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the
Financial Statements contained in Item 1 of Form 10-Q for the period ended
September 30, 2000 and is qualified in its entirety by reference to such
financial statements. Figures are rounded to the nearest 100,000 (except EPS).
</LEGEND>
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 9-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> SEP-30-2000
<CASH> 42,200
<SECURITIES> 25,000
<RECEIVABLES> 255,200
<ALLOWANCES> 0
<INVENTORY> 195,400
<CURRENT-ASSETS> 554,700
<PP&E> 1,633,000
<DEPRECIATION> (1,166,000)
<TOTAL-ASSETS> 1,109,500
<CURRENT-LIABILITIES> 266,700
<BONDS> 228,100
0
0
<COMMON> 45,100
<OTHER-SE> 302,600
<TOTAL-LIABILITY-AND-EQUITY> 1,109,500
<SALES> 1,133,300
<TOTAL-REVENUES> 1,133,300
<CGS> 923,700
<TOTAL-COSTS> 923,700
<OTHER-EXPENSES> 0
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 11,800
<INCOME-PRETAX> 106,800
<INCOME-TAX> 40,800
<INCOME-CONTINUING> 66,000
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 66,000
<EPS-BASIC> 1.46
<EPS-DILUTED> 1.46
</TABLE>