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Reportable Business Segments (Assets by Segment) (Details) - USD ($) $ in Millions | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | --- | ---
Segment Reporting Information [Line Items] |  |  |
Total assets | $ 1,817.2 | $ 1,891.5 | $ 1,760.3
Residential Heating and Cooling [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Total assets | 837.4 | 771.3 | 673.4
Commercial Heating and Cooling [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Total assets | 457.2 | 443.9 | 385.8
Refrigeration [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Total assets | 355.2 | 506.9 | 442.8
Corporate and Other [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Total assets | $ 167.4 | $ 169.4 | $ 258.3

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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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- Details
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