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Other Financial Information (Percentage Distribution Between Major Classes of Inventory) (Details)
3 Months Ended 12 Months Ended
Apr. 02, 2016
Jan. 02, 2016
Jan. 03, 2016
Inventory [Line Items]      
Percentage of inventory cost using the LIFO method 52.00% 42.00% 51.00%
Inventory Concentration Risk | Inventories | Raw Material and Work in Process      
Inventory [Line Items]      
Percentage of total Inventory 45.00% 45.00%  
Inventory Concentration Risk | Inventories | Finished Goods and Purchased Parts      
Inventory [Line Items]      
Percentage of total Inventory 55.00% 55.00%