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Reportable Business Segments (Net Sales and Segment Profit (Loss) and Reconciliation to Income from Continuing Operations) (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales | $ 843,600,000 | $ 1,030,200,000 | $ 1,175,400,000 | $ 834,800,000 | $ 891,800,000 | $ 1,052,300,000 | $ 1,102,100,000 | $ 793,400,000 | $ 3,883,900,000 | $ 3,839,600,000 | $ 3,641,600,000
Segment Profit (Loss) |  |  |  |  |  |  |  |  |  |  |
Total segment profit |  |  |  |  |  |  |  |  | (540,600,000) | (514,600,000) | (469,600,000)
Reconciliation to Operating income: |  |  |  |  |  |  |  |  |  |  |
Special inventory write down |  |  |  |  |  |  |  |  | 200,000 | 0 | 0
Special product quality adjustments |  |  |  |  |  |  |  |  | 0 | 5,400,000 | (400,000)
Loss (gain), net on sale of businesses and related property |  |  |  |  |  |  |  |  | 27,000,000 | 1,100,000 | 0
Gain from insurance recoveries, net of losses incurred |  |  |  |  |  |  |  |  | (10,900,000) | 0 | 0
Pension settlement |  |  |  |  |  |  |  |  | 400,000 | 0 | 31,400,000
Items in (Gains) Losses and other expenses, net that are excluded from segment profit (loss) |  |  |  |  |  |  |  |  | 11,400,000 | 10,400,000 | 7,400,000
Restructuring charges |  |  |  |  |  |  |  |  | 3,000,000 | 3,200,000 | 1,800,000
Operating income |  |  |  |  |  |  |  |  | 509,500,000 | 494,500,000 | 429,400,000
Revenue from transactions with major customers |  |  |  |  |  |  |  |  | $ 0 | $ 0 | $ 0
Minimum percentage of consolidated net sales from single customer |  |  |  |  |  |  |  |  | 10.00% | 10.00% | 10.00%
Residential Heating & Cooling [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | $ 2,225,000,000 | $ 2,140,400,000 | $ 2,000,800,000
Segment Profit (Loss) |  |  |  |  |  |  |  |  |  |  |
Total segment profit |  |  |  |  |  |  |  |  | (399,400,000) | (373,900,000) | (348,800,000)
Commercial Heating & Cooling [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 1,043,500,000 | 973,800,000 | 917,900,000
Segment Profit (Loss) |  |  |  |  |  |  |  |  |  |  |
Total segment profit |  |  |  |  |  |  |  |  | (159,500,000) | (157,300,000) | (149,300,000)
Refrigeration [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 615,400,000 | 725,400,000 | 722,900,000
Segment Profit (Loss) |  |  |  |  |  |  |  |  |  |  |
Total segment profit |  |  |  |  |  |  |  |  | (66,100,000) | (72,600,000) | (68,900,000)
Corporate & other [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Profit (Loss) |  |  |  |  |  |  |  |  |  |  |
Total segment profit |  |  |  |  |  |  |  |  | $ (84,400,000) | $ (89,200,000) | $ (97,400,000)

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