XML 114 R58.htm IDEA: XBRL DOCUMENT v3.20.1
EXPENSES - Finance costs and income (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Finance costs    
Interest and accretion on senior unsecured notes(1) $ 51.1 $ 53.2
Interest on Credit Facility 0.1 9.0
Accretion expense on decommissioning obligations (Note 18) 2.7 2.0
Loss on repayment of long-term debt (Note 11) 1.2 0.0
Other finance costs 7.5 4.8
Total finance costs 62.6 69.0
Finance income    
Interest income 2.2 $ 1.5
Interest costs capitalised $ 0.6