Note 8 - Derivative Financial Instruments (Tables)

12 Months Ended

Dec. 26, 2020

Notes Tables

Schedule of Derivative Instruments [Table Text Block]

Currency	Contract Position	Contract Amount (Local Currency)		Contract Amount (U.S. Dollars)
Swiss Franc	Buy		13,349	$	15,000
Euro	Buy		9,424		11,500
				$	26,500

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

Derivatives Not Designated	Location of Gain (Loss)	Fiscal Year
as Hedging Instruments	Recognized on Derivatives	2020
Foreign exchange forward contracts	Foreign transaction gain (loss)	$	756