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

 
$
—

 
$
(29.1
)
 
$
—

Environmental litigation settlement
—

 
—

 
—

 
28.0

BERU - Eichenauer equity investment gain
—

 
—

 
—

 
(8.0
)
Other
0.6

 
0.1

 
(0.8
)
 
2.0

Other (income) expense
$
0.6

 
$
0.1

 
$
(29.9
)
 
$
22.0