XML 103 R56.htm IDEA: XBRL DOCUMENT v3.20.1
Other Intangible Assets (Schedule of Amortization Expense for Subsequent Years) (Details)
$ in Millions
Dec. 31, 2019
USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]  
2020 $ 6.5
2021 6.5
2022 6.4
2023 6.3
2024 $ 6.1