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Goodwill
6 Months Ended
Jun. 30, 2017
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill
Goodwill:
The changes in the carrying amount of goodwill for the first six months of 2017, in total and by segment, are summarized in the table below (in millions):
 
Balance at December 31, 2016
 
Acquisitions / (Dispositions)
 
Other (1)
 
Balance at June 30, 2017
Residential Heating & Cooling
$
26.1

 
$

 
$

 
$
26.1

Commercial Heating & Cooling
60.1

 

 
1.3

 
61.4

Refrigeration
108.9

 

 
2.6

 
111.5

Total Goodwill
$
195.1

 
$


$
3.9

 
$
199.0

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

We perform our annual goodwill impairment test in the fourth quarter of each year. We continue to monitor our reporting units for indicators of impairment throughout the year to determine if a change in facts or circumstances warrants a re-evaluation of our goodwill. In the current year, we have noted no indicators of impairment of our reporting units.