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Inventories
6 Months Ended
Jun. 28, 2014
Inventory Disclosure [Abstract]  
Inventories
Inventories

The Corporation values its inventory at the lower of cost or market with approximately 73% valued by the last-in, first-out ("LIFO") costing method.

 
(In thousands)
 
June 28, 2014
 
December 28, 2013
 
 
Finished products
 
$
81,549

 
$
51,991

Materials and work in process
 
74,416

 
65,247

LIFO allowance
 
(27,588
)
 
(27,722
)
 
 
$
128,377

 
$
89,516