Annual report pursuant to Section 13 and 15(d)

Revenue Recognition (Details)

v3.19.3
Revenue Recognition (Details) - USD ($)
12 Months Ended
Sep. 30, 2019
Oct. 01, 2018
Sep. 30, 2018
Revenue from Contract with Customer [Abstract]      
Receivables from long-term manufacturing contracts $ 181,100,000 $ 122,200,000 $ 120,300,000
ContractwithCustomerAssetIncreaseinRevenue 58.9    
Liabilities from long-term manufacturing contracts and advances 158,200,000   $ 125,900,000
Contract with Customer, Liability, Revenue Recognized 110.6    
Revenue, Remaining Performance Obligation, Amount $ 863,500,000    
Remaining performance obligation expected to be recognized in the given period (as a percent) 85.00%