Note 7 - Derivative Financial Instruments (Tables)

6 Months Ended

Jun. 26, 2021

Notes Tables

Schedule of Derivative Instruments [Table Text Block]

		Contract Amount		Contract Amount
Currency	Contract Position	(Local Currency)		(U.S. Dollars)
Euro	Buy		26,373	$	31,500
Swiss Franc	Buy		8,256		9,000
Malaysian Ringgit	Buy		14,579		3,500
South Korean Won	Buy		1,930,503		1,700
				$	45,700

Derivative Instruments, Gain (Loss) [Table Text Block]

		Three months ended				Six months ended
Derivatives Not Designated	Location of Gain (Loss)	June 26,		June 27,		June 26,			June 27,
as Hedging Instruments	Recognized on Derivatives	2021		2020		2021			2020
Foreign exchange forward contracts	Foreign transaction gain (loss)	$	166		n/a	$	(1,349	)		n/a