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Goodwill and other identifiable intangible assets

3 Months Ended

Mar. 28, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and other identifiable intangible assets

Changes in goodwill during the First Quarter, ended March 28, 2021, were as follows:


In millions	Gas Cylinders		Elektron		Total
At January 1, 2021	$	27.9	$	42.3	$	70.2

Exchange difference	0.2		0.1		0.3
Balance at March 28, 2021	$	28.1	$	42.4	$	70.5

Identifiable intangible assets consisted of the following:


	March 28, 2021						December 31, 2020
In millions	Gross		Accumulated amortization		Net		Gross		Accumulated amortization		Net
Customer relationships	$	13.4	$	(5.3)	$	8.1	$	13.4	$	(5.2)	$	8.2
Technology and trading related	8.4		(3.8)		4.6		8.3		(3.7)		4.6
	$	21.8	$	(9.1)	$	12.7	$	21.7	$	(8.9)	$	12.8

Identifiable intangible asset amortization expense was $0.2 million and $0.2 million for the First Quarter of 2021 and 2020 respectively.

Intangible asset amortization expense during the remainder of 2021 and over the next five years is expected to be approximately $0.5 million in 2021, $0.7 million in 2022, $0.7 million in 2023, $0.7 million in 2024, $0.7 million in 2025 and $0.7 million in 2026.