Revenue Recognition (Tables)

9 Months Ended

Sep. 30, 2019

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 16 for additional information on our reportable business segments and the products and services sold in each segment.

	For the Three Months Ended September 30, 2019
Primary Geographic Markets	Residential Heating & Cooling		Commercial Heating & Cooling		Refrigeration		Consolidated
United States	$	597.3	$	227.0	$	82.5	$	906.8
Canada	40.3		26.0		—		66.3
International	—		0.3		59.5		59.8
Total	$	637.6	$	253.3	$	142.0	$	1,032.9

	For the Three Months Ended September 30, 2018
Primary Geographic Markets	Residential Heating & Cooling		Commercial Heating & Cooling		Refrigeration		Consolidated
United States	$	553.8	$	212.4	$	114.0	$	880.2
Canada	40.9		24.3		2.1		67.3
International	—		0.2		82.5		82.7
Total	$	594.7	$	236.9	$	198.6	$	1,030.2

	For the Nine Months Ended September 30, 2019
Primary Geographic Markets	Residential Heating & Cooling		Commercial Heating & Cooling		Refrigeration		Consolidated
United States	$	1,677.6	$	623.3	$	254.1	$	2,555.0
Canada	114.6		63.8		0.7		179.1
International	—		0.8		187.3		188.1
Total	$	1,792.2	$	687.9	$	442.1	$	2,922.2

	For the Nine Months Ended September 30, 2018
Primary Geographic Markets	Residential Heating & Cooling		Commercial Heating & Cooling		Refrigeration		Consolidated
United States	$	1,640.9	$	604.5	$	322.4	$	2,567.8
Canada	123.5		62.7		4.1		190.3
International	—		0.9		281.4		282.3
Total	$	1,764.4	$	668.1	$	607.9	$	3,040.4

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

Net contract assets (liabilities) consisted of the following:

	September 30, 2019			December 31, 2018			$ Change			% Change
Contract assets	$	—		$	2.5		$	(2.5	)	(100.0	)%
Contract liabilities - current	(8.4		)	(13.0		)	4.6			(35.4	)%
Contract liabilities - noncurrent	(5.9		)	(5.9		)	—			—	%
Total	$	(14.3	)	$	(16.4	)	$	2.1