Revenue Recognition (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenues	$ 4,981,900,000	$ 4,718,400,000	$ 4,194,100,000
Contract with Customer, Liability, Revenue Recognized	7,700,000	10,100,000	3,600,000
Residential Heating and Cooling [Member]
Revenues	3,222,900,000	3,198,300,000	2,775,600,000
Commercial Heating and Cooling [Member]
Revenues	1,511,400,000	1,286,400,000	1,188,800,000
Refrigeration [Member]
Revenues	247,600,000	233,700,000	229,700,000
Sales Channel, Directly to Consumer [Member] | Residential Heating and Cooling [Member]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 0.75	$ 0.70	$ 0.73
Equipment | Revenue from Contract with Customer Benchmark | Product Concentration Risk
Concentration risk, percentage	86.00%	82.00%	82.00%