Financial Instruments - Production Financing Loans (Details) - USD ($) $ in Millions	Sep. 25, 2022	Dec. 26, 2021	Sep. 26, 2021
Debt Disclosure [Abstract]
Production financing facilities	$ 184.9	$ 170.1	$ 204.7
Non-current	0.0	0.0	47.0
Current	$ 184.9	$ 170.1	$ 157.7