Restructuring - Schedule of Restructuring Related Costs (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 29, 2025	Jun. 30, 2024	Jun. 29, 2025	Jun. 30, 2024
Restructuring Cost and Reserve [Line Items]
Severance and other costs	$ 0.3	$ 1.1	$ 0.4	$ 1.8
Accelerated depreciation charges	1.7	0.0	1.7	0.0
Total restructuring charges	2.0	1.1	2.1	1.8
Gas Cylinders
Restructuring Cost and Reserve [Line Items]
Severance and other costs	0.3	1.1	0.4	1.6
Accelerated depreciation charges	1.7	0.0	1.7	0.0
Elektron
Restructuring Cost and Reserve [Line Items]
Severance and other costs	$ 0.0	$ 0.0	$ 0.0	$ 0.2

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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