Reportable Business Segments (Details 3) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Segment Reporting Information [Line Items]
Total capital expenditures	$ 78.3	$ 50.2	$ 41.4
Residential Heating and Cooling [Member]
Segment Reporting Information [Line Items]
Total capital expenditures	34.2	13.7	10.9
Commercial Heating and Cooling [Member]
Segment Reporting Information [Line Items]
Total capital expenditures	11.2	8.7	6.7
Refrigeration [Member]
Segment Reporting Information [Line Items]
Total capital expenditures	16.5	15.6	13.2
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Total capital expenditures	$ 16.4	$ 12.2	$ 10.6