XML 90 R63.htm IDEA: XBRL DOCUMENT v3.19.1
Accounts Payable and Accrued Liabilities (Details) - USD ($)
$ in Millions
Dec. 31, 2018
Dec. 31, 2017
Accounts Payable and Accrued Liabilities    
Accounts payable $ 7.3 $ 6.2
Accrued liabilities 16.3 15.3
Accounts Payable and Accrued Liabilities $ 23.6 $ 21.5