XML 59 R49.htm IDEA: XBRL DOCUMENT v3.21.1
Accounts Receivable (Details) - USD ($)
$ in Millions
Mar. 31, 2021
Dec. 31, 2020
Mar. 31, 2020
Receivables [Abstract]      
Accounts receivable, allowances for credit losses $ 13.1 $ 15.9 $ 20.9