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Goodwill (Tables)
 6 Months Ended
Jun. 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 six months of 2018, in total and by segment, are summarized in the table below (in millions):
 
Balance at December 31, 2017
 
Transfer to assets held for sale
 
Changes in foreign currency translation rates
 
Balance at June 30, 2018
Residential Heating & Cooling
$
26.1

 
$
—

 
$
—

 
$
26.1

Commercial Heating & Cooling
62.2

 
—

 
(0.6
)
 
61.6

Refrigeration
112.2

 
(11.5
)
 
(1.6
)
 
99.1

Total Goodwill
$
200.5

 
$
(11.5
)

$
(2.2
)
 
$
186.8