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Financial Risk Management (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Financial Risk Management |  |
Cumulative translation adjustment | $ (68.3) | $ 77.2
Borrowings | 207.6 |
Investments | 169.7 | 203.1
Credit Facility |  |
Financial Risk Management |  |
Borrowings | $ 210.0 | 0.0
Foreign Exchange Risk |  |
Financial Risk Management |  |
Percentage of Interest-bearing deposits in US dollars | 69.00% |
Percentage of Interest-bearing deposits in Canadian dollars | 13.00% |
Percentage of Interest-bearing deposits in other currencies | 18.00% |
Cumulative translation adjustment | $ (68.3) | $ 77.2
Interest Rate Risk |  |
Financial Risk Management |  |
Increase in interest rate used for sensitivity analysis (as a percent) | 0.50% | 0.50%
Decrease in interest rate used for sensitivity analysis (as a percent) | 0.50% | 0.50%
Interest rate sensitivities increase effect on net income | $ 0.1 | $ 2.2
Interest rate sensitivities decrease effect on net income | (0.1) | (2.2)
Interest rate sensitivities increase effect on equity | 0.1 | 2.2
Interest rate sensitivities decrease in effect on equity | (0.1) | (2.2)
Borrowings | 207.6 | 0.0
Liquidity Risk |  |
Financial Risk Management |  |
Cash and cash equivalents and available-for-sale securities | $ 69.7 | 511.1
Term of financial liabilities | 1 year |
Capital Risk Management |  |
Financial Risk Management |  |
Cash and cash equivalents and available-for-sale securities | $ 69.7 | 511.1
Investments | 169.7 | 203.1
Liquid securities | 132.8 | 168.1
Capital Risk Management | Credit Facility |  |
Financial Risk Management |  |
Undrawn borrowing facilities | $ 890.0 | $ 1,100.0

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