Financial Instruments Schedule of Derivatives Designated as Hedges Affecting Condensed Consolidated Income Statement and Accumulated Other Comprehensive Income (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income	$ (0.2)	$ (12.9)
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income	(2.1)	(3.1)
Interest Rate Swap [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income	0	(9.9)
Interest Rate Locks
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income	0	0
cost of goods sold [Member] | Currency Derivatives
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income	(1.3)	(2.4)
Discontinued Operations [Member] | Currency Derivatives
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income	0	0.2
Interest Expense [Member] | Interest Rate Swap [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income	(0.2)	0
Interest Expense [Member] | Interest Rate Locks
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income	(0.6)	(0.9)
Cash Flow Hedging [Member] | Currency Derivatives
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income	(0.2)	(3.8)
Allegion [Member] | Cash Flow Hedging [Member] | Currency Derivatives
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income	$ 0	$ 0.8