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Inventories
9 Months Ended
Sep. 25, 2015
Inventory, Net [Abstract]  
Inventories
Major components of inventories were as follows (in thousands):
 
Sep 25,
2015
 
Dec 26,
2014
Finished products and components
$
112,549

 
$
87,384

Products and components in various stages of completion
52,183

 
47,682

Raw materials and purchased components
79,335

 
69,212

 
244,067

 
204,278

Reduction to LIFO cost
(46,852
)
 
(44,481
)
Total
$
197,215

 
$
159,797