Revenue Recognition Revenue by Business Segment Geography (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Disaggregation of Revenue [Line Items]
Revenues	$ 4,981,900,000	$ 4,718,400,000	$ 4,194,100,000
UNITED STATES
Disaggregation of Revenue [Line Items]
Revenues	4,416,900,000	4,180,500,000	3,646,500,000
CANADA
Disaggregation of Revenue [Line Items]
Revenues	317,400,000	303,600,000	316,300,000
International [Member]
Disaggregation of Revenue [Line Items]
Revenues	247,600,000	234,300,000	231,300,000
Residential Heating and Cooling [Member]
Disaggregation of Revenue [Line Items]
Revenues	3,222,900,000	3,198,300,000	2,775,600,000
Residential Heating and Cooling [Member] | Sales Channel, Directly to Consumer [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	0.75	0.70	0.73
Residential Heating and Cooling [Member] | UNITED STATES
Disaggregation of Revenue [Line Items]
Revenues	3,001,300,000	2,957,100,000	2,532,400,000
Residential Heating and Cooling [Member] | CANADA
Disaggregation of Revenue [Line Items]
Revenues	221,600,000	241,200,000	243,200,000
Residential Heating and Cooling [Member] | International [Member]
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Commercial Heating and Cooling [Member]
Disaggregation of Revenue [Line Items]
Revenues	1,511,400,000	1,286,400,000	1,188,800,000
Commercial Heating and Cooling [Member] | UNITED STATES
Disaggregation of Revenue [Line Items]
Revenues	1,415,600,000	1,223,400,000	1,114,100,000
Commercial Heating and Cooling [Member] | CANADA
Disaggregation of Revenue [Line Items]
Revenues	95,800,000	62,400,000	73,100,000
Commercial Heating and Cooling [Member] | International [Member]
Disaggregation of Revenue [Line Items]
Revenues	0	600,000	1,600,000
Refrigeration [Member]
Disaggregation of Revenue [Line Items]
Revenues	247,600,000	233,700,000	229,700,000
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	$ 247,600,000	$ 233,700,000	$ 229,700,000