Revenue Recognition Revenue by Business Segment Geography (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Disaggregation of Revenue [Line Items]
Revenues	$ 5,341,300,000	$ 4,981,900,000	$ 4,718,400,000
UNITED STATES
Disaggregation of Revenue [Line Items]
Revenues	5,021,800,000	4,416,900,000	4,180,500,000
CANADA
Disaggregation of Revenue [Line Items]
Revenues	319,500,000	317,400,000	303,600,000
International [Member]
Disaggregation of Revenue [Line Items]
Revenues	0	247,600,000	234,300,000
Residential Heating and Cooling [Member]
Disaggregation of Revenue [Line Items]
Revenues	3,577,100,000	3,222,900,000	3,198,300,000
Residential Heating and Cooling [Member] | Sales Channel, Directly to Consumer [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	0.74	0.75	0.70
Residential Heating and Cooling [Member] | UNITED STATES
Disaggregation of Revenue [Line Items]
Revenues	3,346,000,000	3,001,300,000	2,957,100,000
Residential Heating and Cooling [Member] | CANADA
Disaggregation of Revenue [Line Items]
Revenues	231,100,000	221,600,000	241,200,000
Residential Heating and Cooling [Member] | International [Member]
Disaggregation of Revenue [Line Items]
Revenues		0	0
Commercial Heating and Cooling [Member]
Disaggregation of Revenue [Line Items]
Revenues	1,764,200,000	1,511,400,000	1,286,400,000
Commercial Heating and Cooling [Member] | UNITED STATES
Disaggregation of Revenue [Line Items]
Revenues	1,675,800,000	1,415,600,000	1,223,400,000
Commercial Heating and Cooling [Member] | CANADA
Disaggregation of Revenue [Line Items]
Revenues	88,400,000	95,800,000	62,400,000
Commercial Heating and Cooling [Member] | International [Member]
Disaggregation of Revenue [Line Items]
Revenues	0	0	600,000
Refrigeration [Member]
Disaggregation of Revenue [Line Items]
Revenues	0	247,600,000	233,700,000
Refrigeration [Member] | UNITED STATES
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Refrigeration [Member] | CANADA
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Refrigeration [Member] | International [Member]
Disaggregation of Revenue [Line Items]
Revenues	$ 0	$ 247,600,000	$ 233,700,000