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Note 18 - Accumulated Other Comprehensive Loss - Accumulated Other Comprehensive Loss (Details) - USD ($)
$ in Thousands
Jul. 02, 2017
Dec. 31, 2016
Foreign currency translation adjustments $ (10,154) $ (11,334)
Accumulated other comprehensive loss (25,418) (26,598)
UNITED STATES    
Employee benefit related adjustments, net of tax (15,445) (15,445)
MEXICO    
Employee benefit related adjustments, net of tax $ 181 $ 181