Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 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 March 31, 2021
Primary Geographic Markets	Residential Heating & Cooling		Commercial Heating & Cooling		Refrigeration		Consolidated
United States	$	558.8	$	182.3	$	75.6	$	816.7
Canada	47.5		16.9		—		64.4
Other international	—		—		49.4		49.4
Total	$	606.3	$	199.2	$	125.0	$	930.5

	For the Three Months Ended March 31, 2020
Primary Geographic Markets	Residential Heating & Cooling		Commercial Heating & Cooling		Refrigeration		Consolidated
United States	$	412.4	$	161.1	$	59.5	$	633.0
Canada	29.7		17.1		—		46.8
Other international	—		0.2		43.8		44.0
Total	$	442.1	$	178.4	$	103.3	$	723.8

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

Net contract assets (liabilities) consisted of the following:

	March 31, 2021		December 31, 2020		$ Change		% Change
Contract liabilities - current	$	(8.2)	$	(5.5)	$	(2.7)	49.1	%
Contract liabilities - noncurrent	(5.5)		(5.6)		0.1		(1.8)	%
Total	$	(13.7)	$	(11.1)	$	(2.6)