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Goodwill
6 Months Ended
Jun. 30, 2013
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill
Goodwill:
The changes in the carrying amount of goodwill for the first six months of 2013, in total and by segment, are summarized in the table below (in millions): 
 
Balance at December 31, 2012
 
Acquisitions / (Dispositions)
 
Other(1)
 
Balance at June 30, 2013
Residential Heating & Cooling
$
26.1

 
$

 
$

 
$
26.1

Commercial Heating & Cooling
63.8

 

 
(0.2
)
 
63.6

Refrigeration
133.9

 

 
(6.0
)
 
127.9

 
$
223.8

 
$

 
$
(6.2
)
 
$
217.6

 
(1) Other consists of changes in foreign currency translation rates.

We performed our annual goodwill impairment test in the first quarter of 2013 and did not recognize any impairments for our reporting units. We will continue to monitor our reporting units throughout the year to determine if a change in facts or circumstances warrants a re-evaluation of our goodwill for impairment. Refer to Note 13 for information on goodwill related to discontinued operations.