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ACCUMULATED OTHER COMPREHENSIVE (LOSS) INCOME (Tables)
 12 Months Ended
Dec. 30, 2023
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]  
Schedule of accumulated other comprehensive (loss) income
The components of Accumulated other comprehensive (loss) income consisted of the following:
(dollars in thousands)Pension liability adjustmentsPost-retirement liability adjustmentsCumulative translation adjustmentsAccumulated other comprehensive (loss) income
Balance at January 2, 2021$(12,893)$1,440 $(21,307)$(32,760)
Fiscal year 2021 change3,973 (115)5 3,863 
Balance at January 1, 2022(8,920)1,325 (21,302)(28,897)
Fiscal year 2022 change1,739 344 (7,524)(5,441)
Balance at December 31, 2022(7,181)1,669 (28,826)(34,338)
Fiscal year 2023 change160 (330)10,593 10,423 
Balance at December 30, 2023$(7,021)$1,339 $(18,233)$(23,915)