<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from Form-10Q and
is qualified in its entirety by reference to such financial statements.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 6-mos
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> JUN-30-2000
<CASH> 7,400
<SECURITIES> 0
<RECEIVABLES> 291,700
<ALLOWANCES> 8,700
<INVENTORY> 143,500
<CURRENT-ASSETS> 510,000
<PP&E> 1,348,100
<DEPRECIATION> (714,900)
<TOTAL-ASSETS> 1,759,700
<CURRENT-LIABILITIES> 353,300
<BONDS> 319,600
0
100
<COMMON> 500
<OTHER-SE> 533,500
<TOTAL-LIABILITY-AND-EQUITY> 1,759,700
<SALES> 740,900
<TOTAL-REVENUES> 740,900
<CGS> 518,400
<TOTAL-COSTS> 645,700
<OTHER-EXPENSES> (20,300)
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 14,400 <F1>
<INCOME-PRETAX> 111,100 <F2>
<INCOME-TAX> 38,300
<INCOME-CONTINUING> 72,800
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 72,800
<EPS-BASIC> 1.76
<EPS-DILUTED> 1.69
<FN>
<F1>
This number represents interest expense, net
<F2>
This number includes equity in net income of associated companies of $10,000 for
the six months ended June 30,2000.
</FN>
</TABLE>