Schedule II - Valuation and Qualifying Accounts (Tables)

12 Months Ended

Dec. 26, 2020

Notes Tables

Valuation and Qualifying Accounts Disclosure [Table Text Block]

			Additions			Additions
			(Reductions)			(Reductions)
	Balance at		Not			Charged						Balance
	Beginning		Charged			(Credited)			Deductions/			at End
Description	of Year		to Expense			to Expense			Write-offs			of Year
Allowance for doubtful accounts:
Year ended December 30, 2018	$	200	$	(20	) (1)	$	(109	)	$	31		$	40
Year ended December 28, 2019	$	40	$	24	(1)	$	(28	)	$	27		$	9
Year ended December 26, 2020	$	9	$	(1	) (1)	$	79		$	(41	)	$	128
Reserve for excess and obsolete inventories:
Year ended December 30, 2018	$	17,362	$	(300	) (1)	$	10,783		$	3,907		$	23,938
Year ended December 28, 2019	$	23,938	$	1,285	(1)	$	4,792		$	9,057		$	20,958
Year ended December 26, 2020	$	20,958	$	4,611	(1)	$	8,117		$	6,749		$	26,937