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Other Income (Expense), Net
 9 Months Ended
Sep. 30, 2012
Other Income and Expenses [Abstract]  
Other Income (Expense), Net
Other Income (Expense), Net
Other income (expense), net consisted of the following, for each period presented:
 
Quarter Ended
 
Nine Months Ended
 
September 30,
 
September 30,
 
2012
 
2011
 
2012
 
2011
Interest income
$
0.1

 
$
—

 
$
0.3

 
$
0.2

Unrealized (losses) gains on financial derivatives1
(0.1
)
 
4.1

 
1.1

 
2.2

All other, net
0.4

 
(0.2
)
 
0.8

 
(0.2
)
Other non-operating income (expense), net
$
0.4

 
$
3.9

 
$
2.2

 
$
2.2

______________________
1 
See “Derivative Financial Instruments” in Note 1 for a discussion of accounting policy for such instruments.