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Schedule of Components of Other Charges, Net (Details) - USD ($)
$ in Thousands
12 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2018
Selected Account Information      
Impairment of assets $ 10,615 $ 6,040 $ 5,570
Settlement of lawsuits 174 225 1,669
Loss (gain) on sale of businesses and assets (661) (2,877) 1,965
Loss (gain) on insurance 420 (768) (20)
Other charges $ 10,548 $ 2,620 $ 9,184