Other, Net (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended				6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013 HussmannBusinessEquityOwnership [Member]	Jun. 30, 2012 HussmannBusinessEquityOwnership [Member]	Jun. 30, 2013 HussmannBusinessEquityOwnership [Member]	Jun. 30, 2012 HussmannBusinessEquityOwnership [Member]	Jun. 30, 2013 Bolivar to US Dollar exchange rate [Member]	Dec. 31, 2012 Bolivar to US Dollar exchange rate [Member]	Jun. 30, 2013 Devaluation of Venezuela Bolivar [Member]
Interest income	$ 2.5	$ 3.9	$ 6.0	$ 8.6
Exchange gain (loss)	(6.8)	(1.0)	(13.7)	(2.8)							10.0
Earnings (loss) from equity investments					1.7	(0.8)	(2.5)	(6.0)
Other	0.9	2.0	1.4	4.1
Other, net	$ (1.7)	$ 4.1	$ (8.8)	$ 3.9
IR ownership interest, hussmann parent					37.20%		37.20%
Exchange rate									6.3	4.29