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Supplementary Quarterly Data (Unaudited) - Unaudited Quarterly Consolidated Financial Data (Parenthetical) (Detail) (USD $)
3 Months Ended
Jun. 26, 2014
Quarterly Financial Information Disclosure [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 $ 400