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Other Operating Expenses (Schedule of Other Operating Cost and Expense By Component) (Details) - USD ($)
$ in Thousands
 3 Months Ended
Apr. 02, 2021
Apr. 03, 2020
Other Operating Income Expense Detail [Line Items]    
Total other operating expenses $ 915 $ 2,928
Operational excellence initiatives    
Other Operating Income Expense Detail [Line Items]    
Total other operating expenses 654 974
Strategic reorganization and alignment    
Other Operating Income Expense Detail [Line Items]    
Total other operating expenses 0 548
Manufacturing alignment to support growth    
Other Operating Income Expense Detail [Line Items]    
Total other operating expenses 0 128
Acquisition and integration    
Other Operating Income Expense Detail [Line Items]    
Total other operating expenses 84 356
Other general expenses    
Other Operating Income Expense Detail [Line Items]    
Total other operating expenses $ 177 $ 922