XML 44 R33.htm IDEA: XBRL DOCUMENT v3.19.1
Goodwill and Identifiable Assets (Future Amortization Expense) (Details) - USD ($)
$ in Millions
Mar. 31, 2019
Dec. 31, 2018
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]    
2019 $ 36.8  
2020 38.1  
2021 32.6  
2022 24.9  
2023 21.7  
Thereafter 77.2  
Net Carrying Amount $ 231.3 $ 226.5