Restructuring Charges (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Information regarding restructuring charges
Charges Incurred in 2018			$ 1.3
Charges Incurred to Date	$ 20.1		20.1
Total Charges Expected to be Incurred	21.4		21.4
Details activity within the restructuring reserves
Beginning balance			0.2
Included in Earnings	0.5	$ 0.1	1.3	$ 0.2
Cash Utilization			(0.7)
Non-Cash Utilization and Other			(0.2)
Ending balance	0.6		0.6
Residential Heating & Cooling [Member]
Information regarding restructuring charges
Charges Incurred in 2018			0.3
Charges Incurred to Date	1.7		1.7
Total Charges Expected to be Incurred	3.0		3.0
Commercial Heating & Cooling [Member]
Information regarding restructuring charges
Charges Incurred in 2018			0.7
Charges Incurred to Date	2.7		2.7
Total Charges Expected to be Incurred	2.7		2.7
Refrigeration [Member]
Information regarding restructuring charges
Charges Incurred in 2018			0.3
Charges Incurred to Date	13.4		13.4
Total Charges Expected to be Incurred	13.4		13.4
Corporate & Other [Member]
Information regarding restructuring charges
Charges Incurred in 2018			0.0
Charges Incurred to Date	2.3		2.3
Total Charges Expected to be Incurred	2.3		2.3
Severance and Related Expense [Member]
Information regarding restructuring charges
Charges Incurred in 2018			0.3
Charges Incurred to Date	11.6		11.6
Total Charges Expected to be Incurred	11.6		11.6
Details activity within the restructuring reserves
Beginning balance			0.2
Included in Earnings			0.3
Cash Utilization			(0.4)
Non-Cash Utilization and Other			0.0
Ending balance	0.1		0.1
Asset Write-offs and Accelerated Depreciation [Member]
Information regarding restructuring charges
Charges Incurred in 2018			0.0
Charges Incurred to Date	3.2		3.2
Total Charges Expected to be Incurred	3.2		3.2
Lease Termination [Member]
Information regarding restructuring charges
Charges Incurred in 2018			0.7
Charges Incurred to Date	0.9		0.9
Total Charges Expected to be Incurred	0.9		0.9
Details activity within the restructuring reserves
Beginning balance			0.0
Included in Earnings			0.7
Cash Utilization			0.0
Non-Cash Utilization and Other			(0.2)
Ending balance	0.5		0.5
Other [Member]
Information regarding restructuring charges
Charges Incurred in 2018			0.3
Charges Incurred to Date	4.4		4.4
Total Charges Expected to be Incurred	5.7		5.7
Details activity within the restructuring reserves
Beginning balance			0.0
Included in Earnings			0.3
Cash Utilization			(0.3)
Non-Cash Utilization and Other			0.0
Ending balance	$ 0.0		$ 0.0