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Revenue Recognition (Revenue by Business Segment by Geography) (Details) - USD ($) $ in Millions | 3 Months Ended
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Mar. 31, 2018 | Mar. 31, 2017
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |
Revenue, Net | $ 834.8 | $ 793.4
Residential Heating and Cooling [Member] |  |
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |
Revenue, Net | 453.7 | 419.8
Commercial Heating and Cooling [Member] |  |
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |
Revenue, Net | 205.5 | 195.5
Refrigeration [Member] |  |
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |
Revenue, Net | 175.6 | $ 178.1
UNITED STATES |  |
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |
Revenue, Net | 742.6 |
UNITED STATES | Residential Heating and Cooling [Member] |  |
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |
Revenue, Net | 453.7 |
UNITED STATES | Commercial Heating and Cooling [Member] |  |
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |
Revenue, Net | 179.1 |
UNITED STATES | Refrigeration [Member] |  |
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |
Revenue, Net | 109.8 |
Europe [Member] |  |
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |
Revenue, Net | 53.2 |
Europe [Member] | Residential Heating and Cooling [Member] |  |
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |
Revenue, Net | 0.0 |
Europe [Member] | Commercial Heating and Cooling [Member] |  |
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |
Revenue, Net | 26.4 |
Europe [Member] | Refrigeration [Member] |  |
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |
Revenue, Net | 26.8 |
Asia Pacific [Member] |  |
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |
Revenue, Net | 39.0 |
Asia Pacific [Member] | Residential Heating and Cooling [Member] |  |
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |
Revenue, Net | 0.0 |
Asia Pacific [Member] | Commercial Heating and Cooling [Member] |  |
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |
Revenue, Net | 0.0 |
Asia Pacific [Member] | Refrigeration [Member] |  |
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |
Revenue, Net | $ 39.0 |

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- Definition 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. + References No definition available. + Details
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- Definition Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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