Annual report pursuant to Section 13 and 15(d)

Leases - Narrative (Details)

v3.21.2
Leases - Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Leases [Abstract]    
Operating lease, expense $ 35.6 $ 36.3