XML 117 R92.htm IDEA: XBRL DOCUMENT v3.20.1
Related Party Transactions (Details) - Company's directors and executive team [member] - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Disclosure of transactions between related parties [line items]    
Short-term employee benefits $ 6.7 $ 6.1
Share-based payments 5.2 4.9
Amounts payable, related party transactions $ 11.9 $ 11.0