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Other Operating Expense, Net
 9 Months Ended
Sep. 25, 2021
Other Income and Expenses [Abstract]  
Other Operating Expense, Net OTHER OPERATING EXPENSE, NET
Other operating expense, net is summarized as follows:
Three Months EndedNine Months Ended
 September 25,
2021		September 26,
2020		September 25,
2021		September 26,
2020
Other operating expense, net   
Gain on property, plant and equipment disposals$— $— $— $(37)
(Gain) loss on currency exchanges119 (62)110 (37)
Retirement expense21 (21)168 10 
Miscellaneous income/expense, net(271)(89)(374)(99)
Other operating expense, net$(131)$(172)$(96)$(163)