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Revenue Recognition (Narrative) (Details) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Disaggregation of Revenue [Line Items] |  |  |  |
Contract with Customer, Liability, Revenue Recognized | $ 1,500,000 | $ 1,300,000 | $ 2,600,000 | $ 2,900,000
Capitalized Contract Cost, Impairment Loss |  |  | 0 |
Refrigeration [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 148,200,000 | 205,500,000 | 297,100,000 | 405,500,000
Residential Heating and Cooling [Member] | Sales Channel, Directly to Consumer [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 515,200,000 | 546,700,000 | 849,800,000 | 886,300,000
Residential Heating and Cooling [Member] | Sales Channel, Through Intermediary [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 173,900,000 | 169,300,000 | 304,800,000 | 283,400,000
Commercial Heating and Cooling [Member] | Equipment Sales [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 226,600,000 | 218,700,000 | 370,200,000 | 370,200,000
Commercial Heating and Cooling [Member] | Commercial Heating and Cooling [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | $ 34,700,000 | $ 33,400,000 | $ 64,500,000 | $ 61,000,000.0

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- Definition Amount of impairment loss for asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=68051541&loc=SL49131252-203054 + Details
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- Definition Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130549-203045 + Details
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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130543-203045 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130539-203045 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130545-203045 + Details
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