XML 44 R36.htm IDEA: XBRL DOCUMENT v3.20.1
Goodwill and Other Intangible Assets - Gross Carrying Amount and Accumulated Amortization (Details) - USD ($)
$ in Millions
Mar. 31, 2020
Dec. 31, 2019
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]    
Accumulated amortization, intangible assets $ (24.5) $ (22.1)
Intangible assets, net of accumulated amortization of $19.7 and $13.4, respectively $ 159.8 $ 162.9