Note 7 - Derivative Financial Instruments - Locations and Amounts of Gains (Loss) (Details) - USD ($) $ in Thousands |
12 Months Ended | |
---|---|---|
Dec. 25, 2021 |
Dec. 26, 2020 |
|
Foreign Currency Gain (Loss) [Member] | Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | ||
Foreign exchange forward contracts | $ (3,428) | $ 756 |