Reportable Business Segments (Details)	9 Months Ended
	Sep. 30, 2012
Residential Heating & Cooling [Member] | United States [Member]
Summary of nature of operations of reportable segment
Product or Services	Heating Air Conditioning
Markets Served	Residential Replacement Residential New Construction
Residential Heating & Cooling [Member] | Canada [Member]
Summary of nature of operations of reportable segment
Product or Services	Heating Air Conditioning
Markets Served	Residential Replacement Residential New Construction
Commercial Heating & Cooling [Member] | United States [Member]
Summary of nature of operations of reportable segment
Product or Services	Rooftop Products Chillers Air Handlers Equipment Sales Installation Maintenance Repair
Markets Served	Light Commercial
Commercial Heating & Cooling [Member] | Canada [Member]
Summary of nature of operations of reportable segment
Product or Services	Rooftop Products Chillers Air Handlers Equipment Sales Installation Maintenance Repair
Markets Served	Light Commercial
Commercial Heating & Cooling [Member] | Europe [Member]
Summary of nature of operations of reportable segment
Product or Services	Rooftop Products Chillers Air Handlers Equipment Sales Installation Maintenance Repair
Markets Served	Light Commercial
Refrigeration [Member] | United States [Member]
Summary of nature of operations of reportable segment
Product or Services	Unit Coolers Condensing Units Other Commercial Refrigeration Products Display Cases and Systems
Markets Served	Light Commercial Food Preservation and Non-Food/Industrial
Refrigeration [Member] | Canada [Member]
Summary of nature of operations of reportable segment
Product or Services	Unit Coolers Condensing Units Other Commercial Refrigeration Products Display Cases and Systems
Markets Served	Light Commercial Food Preservation and Non-Food/Industrial
Refrigeration [Member] | Europe [Member]
Summary of nature of operations of reportable segment
Product or Services	Unit Coolers Condensing Units Other Commercial Refrigeration Products Display Cases and Systems
Markets Served	Light Commercial Food Preservation and Non-Food/Industrial
Refrigeration [Member] | Asia Pacific [Member]
Summary of nature of operations of reportable segment
Product or Services	Unit Coolers Condensing Units Other Commercial Refrigeration Products Display Cases and Systems
Markets Served	Light Commercial Food Preservation and Non-Food/Industrial
Refrigeration [Member] | South America [Member]
Summary of nature of operations of reportable segment
Product or Services	Unit Coolers Condensing Units Other Commercial Refrigeration Products Display Cases and Systems
Markets Served	Light Commercial Food Preservation and Non-Food/Industrial