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Restructuring Activities (Summary Of Employee Separation Activity) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Nov. 28, 2020
Nov. 28, 2020
May 30, 2020
Restructuring Cost and Reserve [Line Items]      
Increase in liability (restructuring costs) $ 6,775 $ 7,791  
Employee Termination Costs [Member]      
Restructuring Cost and Reserve [Line Items]      
Liability balance, beginning of period   1,874
Increase in liability (restructuring costs) 5,455 6,393 3,927
Reduction in liability (payments and others)   (2,965) (2,053)
Liability balance, end of period $ 5,302 $ 5,302 $ 1,874