XML 60 R38.htm IDEA: XBRL DOCUMENT v3.20.2
Revenue from Contracts with Customers Components of Contract Assets and Contract Liabilities (Details) - USD ($)
$ in Millions
Jun. 30, 2020
Dec. 31, 2019
Revenue from Contract with Customer [Abstract]    
Contract with Customer, Asset, after Allowance for Credit Loss, Current $ 6.6 $ 3.5
Contract with Customer, Asset, after Allowance for Credit Loss, Noncurrent 0.5 0.0
Contract with Customer, Liability, Current 31.5 30.0
Contract with Customer, Liability, Noncurrent $ 11.2 $ 9.7