Inventories (Schedule Of Inventories) (Details) (USD $) In Thousands, unless otherwise specified	Aug. 30, 2014	May 31, 2014
Inventories [Abstract]
Flocks	$ 93,734	$ 90,152
Eggs	11,809	11,747
Feed and supplies	39,083	44,218
Total inventories	$ 144,626	$ 146,117

Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

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