XML 74 R55.htm IDEA: XBRL DOCUMENT v3.21.2
Discontinued Operations, Goodwill, and Intangible Assets - Amortization Expense (Details) - USD ($)
$ in Thousands
12 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Estimated amortization expense for the succeeding years    
2022 $ 18,600  
2023 18,200  
2024 17,400  
2025 700  
Intangible Assets, Net 54,867 $ 76,917
Amortization expense $ 22,600 $ 24,100