Debt - Schedule of Debt (Details) - USD ($) $ in Thousands	Dec. 27, 2025	Dec. 28, 2024
Debt Disclosure [Abstract]
Term loan	$ 12,258	$ 13,368
Less unamortized issuance costs	(50)	(54)
Term loan less issuance costs	$ 12,208	$ 13,314

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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+ Details

FORMFACTOR INC 10-K