Other, Net Table (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Interest income	$ 25.9	$ 15.2	$ 12.6
Exchange gain (loss)	2.8	0.9	(36.2)
Other	7.8	16.4	34.3
Other, net	33.0	32.5	10.7
Hussmann Business Equity Ownership [Member]
Earnings (loss) from equity investments	$ (3.5)	$ 0	$ 0