Reportable Business Segments (Segment Description) (Details)	6 Months Ended
Jun. 30, 2018 Segment
Segment Reporting, Measurement Disclosures [Abstract]
Number of reportable business segments	3
Residential Heating & Cooling [Member]
Segment Reporting Information [Line Items]
Product or Services	Furnaces, air conditioners, heat pumps, packaged heating and cooling systems, indoor air quality equipment, comfort control products, replacement parts
Markets Served	Residential Replacement; Residential New Construction
Commercial Heating & Cooling [Member]
Segment Reporting Information [Line Items]
Product or Services	Unitary heating and air conditioning equipment, applied systems, controls, installation and service of commercial heating and cooling equipment
Markets Served	Light Commercial
Refrigeration [Member]
Segment Reporting Information [Line Items]
Product or Services	Condensing units, unit coolers, fluid coolers, air cooled condensers, air handlers, process chillers, controls, compressorized racks, supermarket display cases and systems
Markets Served	Light Commercial; Food Preservation; Non-Food/Industrial

Description of the types of products and services from which the reportable segment derives its revenue.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 21
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8721-108599

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- Definition

Description of the factors used to identify reportable segments, including the basis of organization (for example, whether management has chosen to organize the enterprise around differences in products and services, geographic areas, regulatory environments, or a combination of factors and whether operating segments have been aggregated to reportable segments).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 21
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8721-108599

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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