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Inventories
9 Months Ended
Oct. 02, 2011
Inventories [Abstract] 
Inventories
4. Inventories
Inventories were summarized as follows:
                         
    Oct. 2,   Jan. 2,   Oct. 3,
In Thousands   2011   2011   2010
 
Finished products
  $ 43,828     $ 36,484     $ 36,149  
Manufacturing materials
    11,448       10,619       8,284  
Plastic shells, plastic pallets and other inventories
    19,097       17,767       18,253  
 
Total inventories
  $ 74,373     $ 64,870     $ 62,686