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Consolidated Statements of Changes in Stockholders' Equity (Parentheticals) (Common Stock [Member], USD $) | May 25, 2014 Minimum [Member] | May 26, 2013 Minimum [Member] | May 27, 2012 Minimum [Member] | May 25, 2014 Maximum [Member] | May 26, 2013 Maximum [Member] | May 27, 2012 Maximum [Member]
--- | --- | --- | --- | --- | --- | ---
Issuance of common stock | $ 5.63 | $ 1.66 | $ 2.55 | $ 13.32 | $ 13.32 | $ 6.95

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- Definition Price of a single share of a number of saleable stocks of a company. + References No definition available. + Details
Name: | us-gaap_SharePrice
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant