Debt - Schedule of Debt Outstanding (Details) - USD ($) $ in Millions	Sep. 28, 2025	Dec. 31, 2024
Debt Instrument [Line Items]
Unamortized debt issuance costs	$ (0.9)	$ (0.2)
Total debt	43.3	45.1
Less current portion	(25.0)	(3.1)
Non-current debt	18.3	42.0
Revolving credit facility
Debt Instrument [Line Items]
Drawn	19.2	17.2
Overdraft
Debt Instrument [Line Items]
Drawn	$ 0.0	3.1
Loan Notes \| 4.94% Loan Notes due 2026
Debt Instrument [Line Items]
Debt stated interest rate	4.94%
Drawn	$ 25.0	$ 25.0

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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