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Inventories Net (Tables)
6 Months Ended
Jun. 28, 2014
Inventory Disclosure [Abstract]  
Inventories
At June 28, 2014 and December 28, 2013, the major classes of inventory were as follows: 
In thousands
June 28,
2014
 
December 28,
2013
Raw materials and supplies
$
68,771

 
$
55,544

Work in process
21,366

 
19,102

Finished goods
98,849

 
81,727

Total
$
188,986

 
$
156,373