Restructuring Activities (Restructuring Charges) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011		Dec. 31, 2010	Dec. 31, 2009
Restructuring charges	$ 24.3		$ 45.3	$ 109.0
Cost of goods sold	6.8		29.1	56.4
Selling and administrative	17.5		16.2	52.6
Climate Solutions [Member]
Restructuring charges	14.9		23.7	35.9
Residential Solutions [Member]
Restructuring charges	2.7		0.6	8.9
Industrial Technologies [Member]
Restructuring charges	6.7	[1]	17.9	27.1
Security Technologies [Member]
Restructuring charges	(0.3)	[2]	3.1	23.9
Corporate and Other [Member]
Restructuring charges	$ 0.3		$ 0	$ 13.2

[1] Amount includes the reversal of $6.7 million of previously accrued restructuring charges.

[2] Amount includes the reversal of $2.2 million of previously accrued restructuring charges.