XML 91 R81.htm IDEA: XBRL DOCUMENT v3.20.2
Goodwill and Other Intangibles (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Acquired Finite-Lived Intangible Assets [Line Items]        
Amortization expense related to other intangible assets     $ 12.6 $ 12.5
Other Intangible Assets        
Acquired Finite-Lived Intangible Assets [Line Items]        
Amortization expense related to other intangible assets $ 4.3 $ 4.2 12.6 $ 12.5
Estimated future amortization expense for 2020 4.3   4.3  
Estimated future amortization expense for 2021 14.7   14.7  
Estimated future amortization expense for 2022 10.1   10.1  
Estimated future amortization expense for 2023 9.8   9.8  
Estimated future amortization expense for 2024 $ 9.7   $ 9.7