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Supplementary Quarterly Data (Unaudited) (Details Textual) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 12 Months Ended
Jun. 28, 2012
Jun. 30, 2011
Mar. 24, 2011
Dec. 23, 2010
Jun. 30, 2011
Supplementary Quarterly Data Unaudited (Textual) [Abstract]          
Increase in cost of sales due to a change in the estimate of on-hand quantities of bulk-stored inshell pecan and walnut inventories $ 900        
Reduction in administrative expenses related to a recall settlement benefit       1,100  
Increase in anticipated liability for additional consideration to be paid as part of the OVH acquisition       800  
Increase in estimated liability for a lawsuit settlement     1,500 900  
Goodwill impairment   5,662     5,662
Decrease in the estimated liability for a lawsuit settlement $ 700