XML 89 R69.htm IDEA: XBRL DOCUMENT v3.20.4
Goodwill and Other Intangible Assets - Expected Intangible Asset Amortization Expense (Details)
$ in Millions
Dec. 31, 2020
USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]  
2021 $ 7.4
2022 5.5
2023 3.9
2024 3.7
2025 4.9
Thereafter 0.4
Amortizing intangible assets, net carrying amount $ 25.8