Discontinued Operations (Details Textual) (USD $) In Millions, unless otherwise specified	0 Months Ended	1 Months Ended				3 Months Ended	12 Months Ended	3 Months Ended		12 Months Ended
	Mar. 22, 2013	Apr. 30, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Sep. 30, 2012 Service Experts [Member] Goodwill in assets of discontinued operations [Member]	Dec. 31, 2012 Service Experts [Member] Goodwill in assets of discontinued operations [Member]	Jun. 30, 2012 Hearth [Member]	Mar. 31, 2012 Hearth [Member]	Dec. 31, 2012 Hearth [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from Divestiture of Businesses	$ 10.4	$ 10.1
Goodwill impairment						20.5	20.5
Goodwill			216.8	223.8	223.2		66.0
Pre-tax charge for write-down of net assets to estimated fair market value									6.3	6.3
Settlement charge related to recognized actuarial losses								6.3		6.3
Discontinued operation gain in settlement of foreign currency translation								$ 3.5		$ 3.5