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Intangible Assets And Goodwill (Narrative) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Feb. 23, 2019
Feb. 24, 2018
Feb. 23, 2019
Feb. 24, 2018
Intangible Assets And Goodwill [Abstract]        
Amortization expense $ 948 $ 1,004 $ 2,855 $ 1,326
Estimated amortization expense for year ending May 25, 2019 3,800   3,800  
Estimated amortization expense for year ending May 30, 2020 3,800   3,800  
Estimated amortization expense for year ending May 29, 2021 2,500   2,500  
Estimated amortization expense for year ending May 28, 2022 1,800   1,800  
Estimated amortization expense for year ending May 27, 2023 $ 1,800   $ 1,800