HOSPIRA INC | 2013 | FY | 3

Note 20 — Other Expense (Income), Net
Other expense (income), net for the years ended December 31, consists of the following:

(dollars in millions)
 
2013
 
2012
 
2011
Interest income
 
$
(5.3
)
 
$
(5.9
)
 
$
(10.4
)
Foreign exchange loss (gain), net
 
9.1

 
9.2

 
(2.8
)
Loss on early debt extinguishment(1)
 
33.4

 
—

 
—

All other expense(2)
 
16.4

 
11.1

 
4.0

Total other expense (income), net
 
$
53.6

 
$
14.4

 
$
(9.2
)
 
 
(1) 
See Note 19 for details regarding loss on early debt extinguishment.
(2) 
See Note 6 for details regarding investment impairments in 2013, 2012 and 2011, respectively.

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