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Cash flow information (Tables)
9 Months Ended
Sep. 30, 2012
Cash flow information [Abstract]  
Cash expenditures for interest and income taxes
Cash expenditures for interest and income taxes were as follows:
 
Nine Months Ended
 
September 30,
 
2012

2011

 
(In thousands)
Interest, net of amount capitalized
$
57,956

$
63,669

Income taxes paid (refunded), net
$
3,210

$
(11,331
)
Noncash investing transactions [Table Text Block]
Noncash investing transactions were as follows:
 
September 30,
 
2012

2011

 
(In thousands)
Property, plant and equipment additions in accounts payable
$
68,636

$
31,100