Goodwill (Details) $ in Millions	3 Months Ended
Mar. 31, 2018 USD ($)
Goodwill [Roll Forward]
Goodwill, Beginning Balance	$ 200.5
Changes in foreign currency translation rates	0.1
Goodwill, Ending Balance	190.3
Goodwill, Transfers	(10.3)
Residential Heating & Cooling [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	26.1
Transfer to assets held for sale	0.0
Changes in foreign currency translation rates	0.0
Goodwill, Ending Balance	26.1
Commercial Heating & Cooling [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	62.2
Transfer to assets held for sale	0.0
Changes in foreign currency translation rates	0.4
Goodwill, Ending Balance	62.6
Refrigeration [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	112.2
Changes in foreign currency translation rates	(0.3)
Goodwill, Ending Balance	101.6
Goodwill, Transfers	$ (10.3)

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
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975

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- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

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- Definition

Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

Amount of transfers into (out 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.

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