Analysis of accumulated other comprehensive (loss) income

9 Months Ended

Sep. 30, 2023

Equity [Abstract]

Analysis of accumulated other comprehensive (loss) income

Analysis of accumulated other comprehensive (loss) income

Changes in accumulated other comprehensive (loss) income by component, net of tax, were as follows:

(dollars in millions)	Post- retirement benefits		Cumulative translation adjustment		Cash flow hedges		Accumulated OCI attributable to shareholders		Non-controlling interests		Accumulated OCI
As of December 31, 2022	$	0.6	$	(950.0)	$	31.6	$	(917.8)	$	(64.6)	$	(982.4)
Foreign currency translation	(1.3)		27.2		—		25.9		(29.4)		(3.5)
Cash flow hedges movements	—		—		7.4		7.4		—		7.4
Post-retirement benefit movements	(1.9)		—		—		(1.9)		—		(1.9)
Other comprehensive (loss) income	(3.2)		27.2		7.4		31.4		(29.4)		2.0
As of September 30, 2023	$	(2.6)	$	(922.8)	$	39.0	$	(886.4)	$	(94.0)	$	(980.4)

(dollars in millions)	Post- retirement benefits		Cumulative translation adjustment		Cash flow hedges		Accumulated OCI attributable to shareholders		Non-controlling interests		Accumulated OCI
As of January 1, 2022	$	36.6	$	(836.7)	$	(25.1)	$	(825.2)	$	(23.4)	$	(848.6)
Foreign currency translation	(1.8)		(227.7)		—		(229.5)		(62.1)		(291.6)
Cash flow hedges movements	—		—		57.4		57.4		—		57.4
Post-retirement benefit movements	(0.5)		—		—		(0.5)		—		(0.5)
Other comprehensive (loss) income	(2.3)		(227.7)		57.4		(172.6)		(62.1)		(234.7)
As of October 1, 2022	$	34.3	$	(1,064.4)	$	32.3	$	(997.8)	$	(85.5)	$	(1,083.3)