Annual report pursuant to Section 13 and 15(d)

Unrecognized Tax Benefits (Details)

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Unrecognized Tax Benefits (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 26, 2021
Dec. 27, 2020
Dec. 29, 2019
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]      
Beginning of year $ 80 $ 104 $ 304
Increase due to current year tax positions 3 0 52
Due to decrease to a position taken in a prior year 0 (24) (170)
Settlements 0 0 (16)
Reductions related to lapses in the statute of limitations (51) 0 (66)
End of year $ 32 $ 80 $ 104