v3.19.3.a.u2

CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Parenthetical) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 $ / shares | Dec. 31, 2019 USD ($) | Dec. 31, 2018 $ / shares | Dec. 31, 2018 USD ($) | Dec. 31, 2017 $ / shares | Dec. 31, 2017 USD ($)
Realized and unrealized gain on hedging activities, tax | $ |  |  |  | $ 0.1 |  | $ 0.3
Defined benefit plan, tax | $ |  | $ 0.1 |  | $ (0.1) |  | $ (0.3)
Series 1 |  |  |  |  |  |
Dividends on preferred shares of a subsidiary company (in CAD per share) | $ 1.212500 |  | $ 1.212500 |  | $ 1.212500 |
Series 2 |  |  |  |  |  |
Dividends on preferred shares of a subsidiary company (in CAD per share) | 1.392500 |  | 1.392500 |  | 1.392500 |
Series 3 |  |  |  |  |  |
Dividends on preferred shares of a subsidiary company (in CAD per share) | $ 1.459115 |  | $ 1.327539 |  | $ 1.182500 |

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