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Other Financial Information (Percentage Distribution Between Major Classes of Inventory) (Details)
9 Months Ended 12 Months Ended
Oct. 03, 2015
Jan. 03, 2015
Inventory [Line Items]    
Percentage of inventory cost using the LIFO method 45.00% 52.00%
Inventory Concentration Risk | Inventories | Raw Material and Work in Process    
Inventory [Line Items]    
Percentage of total Inventory 47.00% 45.00%
Inventory Concentration Risk | Inventories | Finished Goods and Purchased Parts    
Inventory [Line Items]    
Percentage of total Inventory 53.00% 55.00%