Equity (Tables)

12 Months Ended

Dec. 31, 2022

Stockholders' Equity Note [Abstract]

Reconciliation of ordinary shares

The changes in Ordinary shares outstanding for the year ended December 31, 2022, were as follows:

In millions	Total
December 31, 2021	88.2
Shares issued under equity incentive plans	0.2
Repurchase of ordinary shares	(0.5)
December 31, 2022	87.9

Schedule of Accumulated Other Comprehensive Loss

The changes in Accumulated other comprehensive loss were as follows:

In millions	Cash flow hedges		Defined benefit plan items		Foreign currency items		Total
December 31, 2019	$	0.5	$	(126.2)	$	(92.9)	$	(218.6)
Other comprehensive (loss) income, net of tax(a)	(1.4)		5.9		57.0		61.5
December 31, 2020	(0.9)		(120.3)		(35.9)		(157.1)
Other comprehensive income (loss), net of tax	1.8		24.3		(63.4)		(37.3)
December 31, 2021	0.9		(96.0)		(99.3)		(194.4)
Other comprehensive income (loss), net of tax	5.2		(21.1)		(75.5)		(91.4)
December 31, 2022	$	6.1	$	(117.1)	$	(174.8)	$	(285.8)

(a)During 2020, the Company reclassified $12.8 million of accumulated foreign currency translation adjustments to earnings upon the liquidation of two legal entities in the Allegion International segment, which is included in Foreign currency items in the table above.