Annual report pursuant to Section 13 and 15(d)

Revenue Recognition (Details)

v3.20.2
Revenue Recognition (Details) - USD ($)
$ in Millions
12 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Oct. 01, 2018
Revenue from Contract with Customer [Abstract]      
Receivables from long-term manufacturing contracts $ 138.1 $ 180.3 $ 122.2
Liabilities from long-term manufacturing contracts and advances 189.1 153.4  
Contract with customer, liability, revenue recognized $ 128.4 $ 110.6