Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition Narrative (Details)

v3.20.2
Revenue Recognition Narrative (Details) - USD ($)
$ in Millions
9 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Sep. 30, 2019
Revenue from Contract with Customer [Abstract]      
Receivables from long-term manufacturing contracts $ 166.2   $ 181.1
Liabilities from long-term manufacturing contracts and advances 168.4   $ 158.2
Revenue recognized on long-term manufacturing contracts and advances liabilities $ 104.7 $ 113.0