v3.25.2
Goodwill and other identifiable intangible assets
6 Months Ended
Jun. 29, 2025
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and other identifiable intangible assets Goodwill and other identifiable intangible assets
Changes in goodwill during the first half ended June 29, 2025, were as follows:
In millionsGas CylindersElektronTotal
At January 1, 2025$25.9 $41.1 $67.0 
Exchange difference2.1 1.3 3.4 
Net balance at June 29, 2025$28.0 $42.4 $70.4 
Accumulated goodwill impairment losses in relation to continuing activities were $8.0 million as of June 29, 2025 and December 31, 2024.

Identifiable intangible assets consisted of the following:

In millionsCustomer relationshipsTechnology and trading relatedTotal
Cost:   
At January 1, 2025$15.6 $7.7 $23.3 
Exchange movements— 0.7 0.7 
At June 29, 2025$15.6 $8.4 $24.0 
Accumulated amortization:  
At January 1, 2025$7.0 $4.8 $11.8 
Provided during the period0.3 0.1 0.4 
Exchange movements— 0.4 0.4 
At June 29, 2025$7.3 $5.3 $12.6 
Net book values:  
At January 1, 2025$8.6 $2.9 $11.5 
At June 29, 2025$8.3 $3.1 $11.4 

Identifiable intangible asset amortization expense was $0.4 million and $0.4 million for the first half of 2025 and 2024 respectively.
Intangible asset amortization expense during each of the following five years is expected to be approximately $0.8 million per year.