Prepayments, Deposits, and Other Current Assets - Schedule Of Prepayments, Deposits, and Other Current Assets (Details) - USD ($) $ in Thousands		Mar. 28, 2025	Dec. 27, 2024
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Prepayments and deposits		$ 8,836	$ 7,887
Prepaid rent		182	2,910
Prepaid insurance		1,938	2,432
Value added tax (VAT) receivable		2,748	1,359
BVG (Swiss Pension) prepayment		1,650	7
Other	[1]	291	1,649
Total prepayments, deposits and other current assets		$ 15,645	$ 16,244

[1] No individual category in “Other” exceeds 5% of the total prepayments, deposits and other current assets.