Goodwill and Intangible Assets (Goodwill) (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Goodwill
Beginning Balance		$ 209.4	$ 216.8
Impairment	$ (5.5)	(5.5)	0.0	$ 0.0
Other		(8.8)	(7.4)
Ending Balance	195.1	195.1	209.4	216.8
Goodwill, accumulated impairment losses	15.7	15.7
Residential Heating & Cooling [Member]
Goodwill
Beginning Balance		26.1	26.1
Impairment		0.0	0.0
Other		0.0	0.0
Ending Balance	26.1	26.1	26.1	26.1
Commercial Heating & Cooling [Member]
Goodwill
Beginning Balance		62.3	64.6
Impairment		0.0	0.0
Other		(1.7)	(2.3)
Ending Balance	60.6	60.6	62.3	64.6
Refrigeration [Member]
Goodwill
Beginning Balance		121.0	126.1
Impairment		(5.5)	0.0
Other		(7.1)	(5.1)
Ending Balance	$ 108.4	$ 108.4	$ 121.0	$ 126.1