XML 54 R74.htm IDEA: XBRL DOCUMENT v3.20.1
Goodwill and Intangible Assets (Indefinite-Lived Intangible Assets) (Details) - USD ($)
$ in Millions
Mar. 31, 2020
Mar. 31, 2019
Indefinite-lived Intangible Assets [Line Items]    
Indefinite-lived intangible assets not subject to amortization $ 250.0  
Tradenames    
Indefinite-lived Intangible Assets [Line Items]    
Indefinite-lived intangible assets not subject to amortization $ 250.0 $ 250.0