Goodwill and Intangible Assets (Goodwill) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Goodwill
Beginning Balance	$ 200,500,000	$ 195,100,000
Changes in foreign currency translation rates	2,400,000	(5,400,000)
Write-off due to divested businesses	11,500,000
Ending Balance	186,600,000	200,500,000	$ 195,100,000
Goodwill, accumulated impairment losses			21,200,000
Goodwill impairment		0	0
Residential Heating & Cooling [Member]
Goodwill
Beginning Balance	26,100,000	26,100,000
Changes in foreign currency translation rates	0	0
Write-off due to divested businesses	0
Ending Balance	26,100,000	26,100,000	26,100,000
Commercial Heating & Cooling [Member]
Goodwill
Beginning Balance	62,200,000	60,100,000
Changes in foreign currency translation rates	800,000	(2,100,000)
Write-off due to divested businesses	0
Ending Balance	61,400,000	62,200,000	60,100,000
Refrigeration [Member]
Goodwill
Beginning Balance	112,200,000	108,900,000
Changes in foreign currency translation rates	1,600,000	(3,300,000)
Write-off due to divested businesses	11,500,000
Ending Balance	$ 99,100,000	$ 112,200,000	$ 108,900,000