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Inventories (Details) - USD ($)
$ in Thousands
Oct. 03, 2015
Jan. 03, 2015
Inventory Disclosure [Abstract]    
Percentage of LIFO Inventory 74.00%  
Inventory, Net [Abstract]    
Finished products $ 86,731 $ 65,126
Materials and work in process 86,477 84,677
LIFO allowance (28,012) (28,012)
Inventories $ 145,196 $ 121,791