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Goodwill and other identifiable intangible assets (Tables)

3 Months Ended

Apr. 02, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

Changes in goodwill during the first three months ended April 2, 2023, were as follows:

			In millions			Gas Cylinders						Elektron						Total
			At January 1, 2023			$	25.0					$	40.6					$	65.6
			Exchange difference			0.6						0.3						0.9
			Net balance at April 2, 2023			$	25.6					$	40.9					$	66.5

Schedule of Intangible Assets

Identifiable intangible assets consisted of the following:

			In millions			Customer relationships						Technology and trading related						Total
			Cost:
			At January 1, 2023			$	15.2					$	7.4					$	22.6
			Exchange movements			—						0.2						0.2
			At April 2, 2023			$	15.2					$	7.6					$	22.8
			Accumulated amortization:
			At January 1, 2023			$	6.1					$	4.0					$	10.1
			Provided during the period			0.1						0.1						0.2
			Exchange movements			—						0.1						0.1
			At April 2, 2023			$	6.2					$	4.2					$	10.4
			Net book values:
			At January 1, 2023			$	9.1					$	3.4					$	12.5
			At April 2, 2023			$	9.0					$	3.4					$	12.4

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Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment.

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Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule.

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