Reportable Business Segments (Details 5) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Schedule of equity method investees
Income from Equity Method Investments	$ 9.6	$ 10.1	$ 7.3
Refrigeration [Member]
Schedule of equity method investees
Income from Equity Method Investments	2.5	1.3	0.5
Corporate and Other [Member]
Schedule of equity method investees
Income from Equity Method Investments	$ 7.1	$ 8.8	$ 6.8