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Consolidated Statement of Comprehensive Income (Parenthetical) - USD ($)
$ in Thousands
12 Months Ended
Dec. 28, 2019
Dec. 29, 2018
Dec. 30, 2017
Other Comprehensive Items:      
Pension and other post-retirement liability adjustments, net $ (137) $ 412 $ (150)
Deferred (loss) gain on cash flow hedges (143) (93) $ 39
Effect of pension and other post-retirement plan amendments   351  
Effect of pension and other post-retirement plan curtailments   1,183  
Effect of pension and other post-retirement settlement and curtailment losses $ (653) $ 347