Restructuring Charges (Details Textual) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Restructuring Charges (Textual) [Line Items]
Restructuring charges	$ 0.4	$ 8.0	$ 3.1	$ 11.3
Restructuring Reserve	2.4		2.4		2.4
Total Charges Expected to be Incurred			58.5
Charges Incurred to Date			54.3
Refrigeration [Member]
Restructuring Charges (Textual) [Line Items]
Total Charges Expected to be Incurred			23.4
Charges Incurred to Date			22.9
Regional Distribution Network [Member]
Restructuring Charges (Textual) [Line Items]
Total Charges Expected to be Incurred			6.7
Charges Incurred to Date			6.3
Plant Closure Costs [Member] | Refrigeration [Member] | Contract Coil [Member]
Restructuring Charges (Textual) [Line Items]
Restructuring charges			0.5
Employee Severance [Member] | Refrigeration [Member] | OEM Coil [Member]
Restructuring Charges (Textual) [Line Items]
Restructuring Reserve	0.3		0.3
Lease termination [Member]
Restructuring Charges (Textual) [Line Items]
Restructuring charges			2.4
Restructuring Reserve	0.5		0.5		0
Total Charges Expected to be Incurred			7.2
Charges Incurred to Date			7.2
Lease termination [Member] | Regional Distribution Network [Member]
Restructuring Charges (Textual) [Line Items]
Restructuring charges			2.7
Loss from Discontinued Operations [Member] | Employee Severance [Member] | Service Experts Business [Member] | Administrative Functions [Member]
Restructuring Charges (Textual) [Line Items]
Restructuring charges			1.1
Liabilities of Discontinued Operations [Member]
Restructuring Charges (Textual) [Line Items]
Restructuring Reserve	$ 0.2		$ 0.2