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Intangible Assets And Goodwill (Narrative) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Nov. 24, 2018
Nov. 25, 2017
Nov. 24, 2018
Nov. 25, 2017
Intangible Assets And Goodwill [Abstract]        
Amortization expense $ 952 $ 322 $ 1,907 $ 322
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