XML 41 R69.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Intangible Assets - Finite-Lived Intangible Assets Future Amortization Expense (Details) - USD ($)
$ in Millions
Dec. 31, 2019
Sep. 30, 2019
Finite-Lived Intangible Assets, Amortization Expense, Maturity Schedule [Abstract]    
Fiscal 2020 (remaining nine months) $ 2.2  
Fiscal 2021 2.9  
Fiscal 2022 1.6  
Fiscal 2023 1.4  
Fiscal 2024 and thereafter 3.1  
Finite-Lived Intangible Assets, Net $ 11.2 $ 11.9