Note 7 - Derivative Financial Instruments (Tables)

6 Months Ended

Jun. 25, 2022

Notes Tables

Schedule of Derivative Instruments [Table Text Block]

		Contract Amount		Contract Amount
Currency	Contract Position	(Local Currency)		(U.S. Dollars)
Euro	Buy		59,670	$	63,000
Swiss Franc	Buy		29,075		30,400
South Korean Won	Buy		2,597,500		2,000
Japanese Yen	Buy		53,996		400
				$	95,800

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

		Three months ended					Six months ended
Derivatives not designated	Location of gain (loss)	June 25,			June 26,		June 25,			June 26,
as hedging instruments	recognized on derivatives	2022			2021		2022			2021
Foreign exchange forward contracts	Foreign transaction gain (loss)	$	(2,841	)	$	166	$	(4,251	)		(1,349	)