XML 45 R54.htm IDEA: XBRL DOCUMENT v3.19.3
Goodwill and Intangible Assets - Future Amortization Expense (Details)
$ in Millions
Sep. 30, 2019
USD ($)
Estimated Amortization Expense for Intangible Assets  
2019 $ 16.1
2020 52.4
2021 37.9
2022 37.8
2023 $ 37.4