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Goodwill (Details)
$ in Millions
6 Months Ended
Jun. 30, 2017
USD ($)
Goodwill [Roll Forward]  
Goodwill, Beginning Balance $ 195.1
Acquisitions / (Dispositions) 0.0
Other 3.9
Goodwill, Ending Balance 199.0
Residential Heating & Cooling [Member]  
Goodwill [Roll Forward]  
Goodwill, Beginning Balance 26.1
Acquisitions / (Dispositions) 0.0
Other 0.0
Goodwill, Ending Balance 26.1
Commercial Heating & Cooling [Member]  
Goodwill [Roll Forward]  
Goodwill, Beginning Balance 60.1
Acquisitions / (Dispositions) 0.0
Other 1.3
Goodwill, Ending Balance 61.4
Refrigeration [Member]  
Goodwill [Roll Forward]  
Goodwill, Beginning Balance 108.9
Acquisitions / (Dispositions) 0.0
Other 2.6
Goodwill, Ending Balance $ 111.5