XML 47 R37.htm IDEA: XBRL DOCUMENT v3.22.1
Spin-off Costs (Details) - USD ($)
3 Months Ended 6 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Mar. 31, 2022
Mar. 31, 2021
Sep. 30, 2021
Spin Off Costs Disclosure [Abstract]          
Separation and stand-up costs $ 7,400,000 $ 0 $ 15,800,000 $ 0  
Accrued spin off costs $ 1,000,000   $ 1,000,000   $ 1,600,000