Business Segment Information Business Segments Narrative (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2013		Jun. 30, 2012		Jun. 30, 2013		Jun. 30, 2012
Gain (loss) on sale/asset impairment	$ 0		$ 4.2		$ 0		$ 4.5
Hussmann Divestiture [Member]
Gain (loss) on sale/asset impairment	$ 0	[1]	$ 4.2	[1]	$ 0	[1]	$ 4.5	[1]

[1] During the three and six months ended June 30, 2012, the Company recorded $4.2 million and $4.5 million of purchase price adjustments, respectively, related to the 2011 Hussmann sale. These amounts have been excluded from Segment operating income within the Climate Solutions segment as management excludes these charges from Operating income when making operating decisions about the business.