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OTHER FINANCIAL INFORMATION (Percentage Distribution Between Major Classes of Inventory) (Details)
3 Months Ended 12 Months Ended
Apr. 03, 2021
Jan. 02, 2021
Inventory [Line Items]    
Percentage of inventory cost using the LIFO method 49.10% 50.00%
Inventory Concentration Risk | Inventories | Raw Material and Work in Process    
Inventory [Line Items]    
Percentage of total Inventory 50.30% 48.70%
Inventory Concentration Risk | Inventories | Finished Goods and Purchased Parts    
Inventory [Line Items]    
Percentage of total Inventory 49.70% 51.30%