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Income Taxes - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended
Aug. 25, 2019
Aug. 26, 2018
May 26, 2019
Income Tax Disclosure [Abstract]      
Income tax (benefit) expense $ (1,365) $ 109  
Effective tax rate 22.00% 25.00%  
Unrecognized tax benefits $ 1,000   $ 600
Unrecognized tax benefits that would result in an adjustment to effective tax rate $ 900   $ 500