Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
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-Section 50
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Topic 350
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Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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Amount of increase (decrease), classified as other, of an asset representing the future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

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Goodwill and Intangible Assets (Goodwill) (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Goodwill
Beginning Balance		$ 195.1	$ 209.4
Impairment	$ 5.5	0.0	5.5	$ 0.0
Other		0.0	(8.8)
Ending Balance	195.1	195.1	195.1	209.4
Goodwill, accumulated impairment losses					$ 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		60.6	62.3
Impairment		0.0	0.0
Other		(0.5)	(1.7)
Ending Balance	60.6	60.1	60.6	62.3
Refrigeration [Member]
Goodwill
Beginning Balance		108.4	121.0
Impairment		0.0	5.5
Other		0.5	(7.1)
Ending Balance	$ 108.4	$ 108.9	$ 108.4	$ 121.0