Discontinued Operations (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				12 Months Ended
	Mar. 31, 2014		Mar. 31, 2013		Dec. 31, 2013
Discontinued operations, net of tax	$ 2.9	[1]	$ 39.2	[1]	$ 13.3
Discontinued Operation, Tax Effect of Discontinued Operation	(1.5)		15.8
Allegion [Member]
Discontinued operations, net of tax	7.0		46.2
Other Discontinued Operations [Member]
Discontinued operations, net of tax	(4.1)		(7.0)
Selling, General and Administrative Expenses [Member] | Spinoff [Member]
Restructuring Charges			$ 11.0

[1] Included in Allegion, net of tax for the three months ended March 31, 2013 are spin costs of