Revenue Recognition (Revenue by Business Segment by Geography) (Details) - USD ($)	3 Months Ended									12 Months Ended
	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2022	Dec. 31, 2021
Disaggregation of Revenue [Line Items]
Contract with Customer, Liability, Revenue Recognized	$ 3,000,000				$ 3,700,000
Revenue, Net	1,049,400,000	$ 1,093,800,000	$ 1,244,900,000	$ 1,366,300,000	1,013,400,000	$ 964,800,000	$ 1,059,900,000	$ 1,239,000,000	$ 930,500,000	$ 4,718,400,000	$ 4,194,100,000
Residential Heating and Cooling [Member]
Disaggregation of Revenue [Line Items]
Revenue, Net	681,000,000.0	703,400,000	835,300,000	977,500,000	682,200,000	620,300,000	711,000,000.0	838,000,000.0	606,300,000	3,198,300,000	2,775,600,000
Commercial Heating and Cooling
Disaggregation of Revenue [Line Items]
Revenue, Net	308,700,000	327,200,000	352,300,000	327,400,000	279,500,000	286,300,000	292,700,000	335,000,000.0	274,800,000	1,286,400,000	1,188,800,000
Corporate & Other
Disaggregation of Revenue [Line Items]
Revenue, Net	59,700,000	$ 63,200,000	$ 57,300,000	$ 61,400,000	51,700,000	$ 58,200,000	$ 56,200,000	$ 66,000,000.0	$ 49,400,000	$ 233,700,000	$ 229,700,000
Sales Channel, Directly to Consumer | Residential Heating and Cooling [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	0.70				0.66
Equipment Sales | Commercial Heating and Cooling
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	0.85				0.87
International [Member]
Disaggregation of Revenue [Line Items]
Revenue, Net	59,700,000				52,200,000
International [Member] | Residential Heating and Cooling [Member]
Disaggregation of Revenue [Line Items]
Revenue, Net	0				0
International [Member] | Commercial Heating and Cooling
Disaggregation of Revenue [Line Items]
Revenue, Net	0				500,000
International [Member] | Corporate & Other
Disaggregation of Revenue [Line Items]
Revenue, Net	59,700,000				51,700,000
CANADA
Disaggregation of Revenue [Line Items]
Revenue, Net	55,800,000				62,900,000
CANADA | Residential Heating and Cooling [Member]
Disaggregation of Revenue [Line Items]
Revenue, Net	41,700,000				52,500,000
CANADA | Commercial Heating and Cooling
Disaggregation of Revenue [Line Items]
Revenue, Net	14,100,000				10,400,000
CANADA | Corporate & Other
Disaggregation of Revenue [Line Items]
Revenue, Net	0				0
UNITED STATES
Disaggregation of Revenue [Line Items]
Revenue, Net	933,900,000				898,300,000
UNITED STATES | Residential Heating and Cooling [Member]
Disaggregation of Revenue [Line Items]
Revenue, Net	639,300,000				629,700,000
UNITED STATES | Commercial Heating and Cooling
Disaggregation of Revenue [Line Items]
Revenue, Net	294,600,000				268,600,000
UNITED STATES | Corporate & Other
Disaggregation of Revenue [Line Items]
Revenue, Net	$ 0				$ 0