Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition Revenue Recognition (Details)

v3.10.0.1
Revenue Recognition Revenue Recognition (Details) - USD ($)
3 Months Ended
Dec. 31, 2018
Oct. 01, 2018
Sep. 30, 2018
Revenue Recognition and Deferred Revenue [Abstract]      
Receivables from long-term manufacturing contracts $ 134,200,000 $ 122,200,000 $ 120,300,000
Increase (Decrease) in Contract with Customer, Asset 2.0    
Contract with Customer Asset Increase in Revenue 11.9    
Contract with Customer, Liability 135,800,000   $ 125,900,000
Contract with Customer, Liability, Revenue Recognized 78.0    
Revenue, Remaining Performance Obligation, Amount $ 946,363,000    
Revenue, Remaining Performance Obligation, Percentage 78.00%