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

X

- Definition

Amount, before reclassification, of tax expense (benefit) for gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

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