Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition Narrative (Details)

v3.23.1
Revenue Recognition Narrative (Details) - USD ($)
$ in Millions
6 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Sep. 30, 2022
Revenue from Contract with Customer [Abstract]      
Receivables from long-term manufacturing contracts, net $ 299.8   $ 213.3
Liabilities from long-term manufacturing contracts and advances 390.7   $ 290.3
Revenue recognized on long-term manufacturing contracts and advances liabilities $ 147.1 $ 171.3