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Other (Income) Expense (Tables)
 6 Months Ended
Jun. 30, 2011
Other Income and Expenses [Abstract]  
Schedule of Other Nonoperating (Income) Expense
Items included in other (income) expense consist of:
 
Three Months Ended
June 30,
 
Six Months Ended
June 30,
(millions of dollars)
2011
 
2010
 
2011
 
2010
Patent infringement settlement, net of legal costs incurred
$
(29.1
)
 
$
—


 
$
(29.1
)
 
$
—


Environmental litigation settlement
—


 
28.0


 
—


 
28.0


BERU - Eichenauer equity investment gain
—


 
(8.0
)
 
—


 
(8.0
)
Other
0.2


 
0.3


 
(1.4
)
 
1.9


Other (income) expense
$
(28.9
)
 
$
20.3


 
$
(30.5
)
 
$
21.9