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Other Charges (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Nov. 18, 2020
Mar. 11, 2020
Mar. 11, 2020
Restructuring and Related Activities [Abstract]      
Employee severances $ 0 $ 544 $ 1,162
Restructuring related 416 966 1,586
Total Other charges $ 416 $ 1,510 $ 2,748