Revenue Recognition (Tables)

6 Months Ended

Jun. 30, 2021

Revenue Recognition and Deferred Revenue [Abstract]

Revenue from External Customers by Geographic Areas [Table Text Block]

The following table disaggregates our revenue by business segment by geography which provides information as to the major source of revenue. See Note 2 for additional information on our reportable business segments and the products and services sold in each segment.

	For the Three Months Ended June 30, 2021
Primary Geographic Markets	Residential Heating & Cooling		Commercial Heating & Cooling		Refrigeration		Consolidated
United States	$	763.0	$	228.7	$	82.2	$	1,073.9
Canada	75.0		23.9		—		98.9
Other international	—		0.2		66.0		66.2
Total	$	838.0	$	252.8	$	148.2	$	1,239.0

	For the Three Months Ended June 30, 2020
Primary Geographic Markets	Residential Heating & Cooling		Commercial Heating & Cooling		Refrigeration		Consolidated
United States	$	603.8	$	173.1	$	61.3	$	838.2
Canada	41.0		15.0		—		56.0
Other international	—		0.2		46.9		47.1
Total	$	644.8	$	188.3	$	108.2	$	941.3

	For the Six Months Ended June 30, 2021
Primary Geographic Markets	Residential Heating & Cooling		Commercial Heating & Cooling		Refrigeration		Consolidated
United States	$	1,321.8	$	411.0	$	157.9	$	1,890.7
Canada	122.4		40.8		—		163.2
Other international	—		0.2		115.3		115.5
Total	$	1,444.2	$	452.0	$	273.2	$	2,169.4

	For the Six Months Ended June 30, 2020
Primary Geographic Markets	Residential Heating & Cooling		Commercial Heating & Cooling		Refrigeration		Consolidated
United States	$	1,016.2	$	334.3	$	120.8	$	1,471.3
Canada	70.7		32.0		—		102.7
Other international	—		0.4		90.7		91.1
Total	$	1,086.9	$	366.7	$	211.5	$	1,665.1

Contract with Customer, Asset and Liability [Table Text Block]

Net contract liabilities consisted of the following:

	June 30, 2021		December 31, 2020		$ Change		% Change
Contract liabilities - current	$	(6.5)	$	(5.5)	$	(1.0)	18.2	%
Contract liabilities - noncurrent	(5.7)		(5.6)		(0.1)		1.8	%
Total	$	(12.2)	$	(11.1)	$	(1.1)