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Other Income (Expense), Net (Tables)
 6 Months Ended
Jun. 30, 2014
Other Income and Expenses [Abstract]  
Other Income (Expense), Net
Other income (expense), net consisted of the following, for each period presented:
 
Quarter Ended
 
Six Months Ended
 
June 30,
 
June 30,
 
2014
 
2013
 
2014
 
2013
Interest income
$
0.2

 
$
—

 
$
0.5

 
$
0.1

Unrealized gains (losses) on financial derivatives1
0.5

 
(0.9
)
 
1.4

 
(0.5
)
Realized gains on investments
0.2

 
0.3

 
0.4

 
0.8

All other, net
0.9

 
(0.2
)
 
1.4

 
(0.2
)
Other non-operating income (expense), net
$
1.8

 
$
(0.8
)
 
$
3.7

 
$
0.2

______________________
1 
See “Hedges Relating to the Convertible Notes” in Note 8 for discussion of such instruments.