Schedule II - Valuation and Qualifying Accounts (Tables)

12 Months Ended

Dec. 28, 2019

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 31, 2017	$	81	$	174	(1)	$	6		$	61	$	200
Year ended December 30, 2018	$	200	$	(20	) (1)	$	(109	)	$	31	$	40
Year ended December 28, 2019	$	40	$	24	(1)	$	(28	)	$	27	$	9
Reserve for excess and obsolete inventories:
Year ended December 31, 2017	$	21,485	$	(1,165	) (1)	$	1,148		$	4,106	$	17,362
Year ended December 29, 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