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Income Taxes - Narrative (Details) - USD ($)
12 Months Ended
Dec. 30, 2022
Dec. 31, 2021
Dec. 25, 2020
Dec. 27, 2019
Operating Loss Carryforwards [Line Items]        
Valuation allowance   $ (15,044,000) $ (15,658,000)  
Proceeds from sale of subsidiary treasury stock     1,104,000  
Gain (loss) on sale of previously unissued stock by subsidiary     35,039,000  
Unrecognized tax benefits (expense)   161,000 (187,000) $ 7,234,000
Future reduction resulting from lapse of applicable statute of limitations   $ 76,000 $ 55,000 $ 0
Forecast        
Operating Loss Carryforwards [Line Items]        
Future reduction resulting from lapse of applicable statute of limitations $ 85,000