Other, Net (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended				9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013 HussmannBusinessEquityOwnership [Member]	Sep. 30, 2012 HussmannBusinessEquityOwnership [Member]	Sep. 30, 2013 HussmannBusinessEquityOwnership [Member]	Sep. 30, 2012 HussmannBusinessEquityOwnership [Member]	Sep. 30, 2013 Bolivar to US Dollar exchange rate [Member]	Dec. 31, 2012 Bolivar to US Dollar exchange rate [Member]	Sep. 30, 2013 Devaluation of Venezuela Bolivar [Member]
Interest income	$ 3.6	$ 4.0	$ 9.6	$ 12.6
Exchange gain (loss)	(3.4)	(1.3)	(17.1)	(4.1)							10.0
Earnings (loss) from equity investments					1.0	1.7	(1.6)	(4.3)
Other	4.8	13.0	6.4	17.0
Other, net	$ 6.0	$ 17.4	$ (2.7)	$ 21.2
IR ownership interest, hussmann parent					37.20%		37.20%
Exchange rate									6.3	4.29