XML 44 R33.htm IDEA: XBRL DOCUMENT v3.20.4
Intangible Assets And Goodwill (Narrative) (Details) - USD ($)
3 Months Ended 6 Months Ended
Nov. 28, 2020
Nov. 23, 2019
Nov. 28, 2020
Nov. 23, 2019
Intangible Assets And Goodwill [Abstract]        
Amortization expense $ 1,393,000 $ 1,510,000 $ 2,923,000 $ 2,604,000
Goodwill impairment $ 0   $ 0