Goodwill (Tables)

3 Months Ended

Mar. 31, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in carrying amount of goodwill

The changes in the carrying amount of goodwill for the three months ended March 31, 2023, were as follows:

In millions	Allegion Americas		Allegion International		Total
December 31, 2022 (gross)	$	1,128.1	$	858.6	$	1,986.7
Accumulated impairment	—		(573.6)		(573.6)
December 31, 2022 (net)	1,128.1		285.0		1,413.1
Acquisitions and adjustments	2.6		21.7		24.3
Currency translation	0.3		3.6		3.9
March 31, 2023 (net)	$	1,131.0	$	310.3	$	1,441.3