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Concentrations Of Credit Risk (Narrative) (Details) - customer | 12 Months Ended
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May 25, 2019 | May 26, 2018 | May 27, 2017
Concentrations Of Credit Risk [Abstract] |  |  |
Number of major customers | 0 | 0 | 0

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- Definition Concentration Of Credit Risk, Number Of Customers + References No definition available. + Details
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- References No definition available. + Details
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