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Goodwill (Tables)
 9 Months Ended
Sep. 30, 2018
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of changes in the carrying amount of goodwill
The changes in the carrying amount of goodwill for the first nine months of 2018, in total and by segment, are summarized in the table below (in millions):
 
Balance at December 31, 2017
 
Write-off due to divested businesses
 
Changes in foreign currency translation rates
 
Balance at September 30, 2018
Residential Heating & Cooling
$
26.1

 
$
—

 
$
—

 
$
26.1

Commercial Heating & Cooling
62.2

 
—

 
(0.5
)
 
61.7

Refrigeration
112.2

 
(11.5
)
 
(1.6
)
 
99.1

Total Goodwill
$
200.5

 
$
(11.5
)

$
(2.1
)
 
$
186.9