Restructuring Activities (Schedule of Restructuring Charges Recorded) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended			12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011		Dec. 31, 2011
Restructuring charges	$ 2.1	$ 13.4	$ 29.6	$ 19.3
Climate Solutions [Member]
Restructuring charges	1.4	8.3	11.2	13.9
Residential Solutions [Member]
Restructuring charges	0	2.2	0.2	2.4
Industrial Technologies [Member]
Restructuring charges	0.3	1.9	7.8	3.1	[1]
Restructuring Reserve, Accrual Adjustment						6.7
Security Technologies [Member]
Restructuring charges	(0.1)	0.7	7.8	(0.4)	[2]
Restructuring Reserve, Accrual Adjustment						2.2
Corporate and Other [Member]
Restructuring charges	0.5	0.3	2.6	0.3
cost of goods sold [Member]
Restructuring charges	0.7	5.6	12.1	4.1
selling and administrative expenses [Member]
Restructuring charges	$ 1.4	$ 7.8	$ 17.5	$ 15.2

[1] Amount includes the reversal of $6.7 million of previously accrued restructuring charges, as the Company made a decision in the first quarter of 2011 to continue operating a facility.

[2] Amount includes the reversal of $2.2 million of previously accrued restructuring charges, as the Company made a decision in the second quarter of 2011 to discontinue a portion of the Company's restructuring plans.