v3.19.3.a.u2

Accounting for derivative instruments and hedging activities (Tables)

12 Months Ended

Dec. 31, 2019

Accounting for derivative instruments and hedging activities

Schedule of notional volumes of forecasted transactions

				December 31,		December 31,
		Units		2019		2018
Natural gas swaps		Natural Gas (MMbtu)		16.3		16.3
Gas purchase agreements		Natural Gas (Gigajoules)		6.4		9.0
Interest rate swaps		Interest (US$)		468.4		616.6

Schedule of fair value of derivative instruments

		December 31, 2019
		Derivative			Derivative
		Assets			Liabilities
Derivative instruments designated as cash flow hedges:
Interest rate swaps current		$	—		$	0.4
Interest rate swaps long-term			—			1.1
Total derivative instruments designated as cash flow hedges			—			1.5
Derivative instruments not designated as cash flow hedges:
Interest rate swaps current						1.9
Interest rate swaps long-term			—			1.1
Natural gas swaps current			—			1.9
Natural gas swaps long-term			—			4.2
Gas purchase agreements current			0.7			4.6
Gas purchase agreements long-term			—			9.5
Convertible debenture conversion option			—			3.2
Total derivative instruments not designated as cash flow hedges			0.7			26.4
Total derivative instruments		$	0.7		$	27.9

		December 31, 2018
		Derivative			Derivative
		Assets			Liabilities
Derivative instruments designated as cash flow hedges:
Interest rate swaps current		$	—		$	0.4
Interest rate swaps long-term			—			1.0
Total derivative instruments designated as cash flow hedges			—			1.4
Derivative instruments not designated as cash flow hedges:
Interest rate swaps current			4.2			—
Interest rate swaps long-term			0.3			—
Natural gas swaps current			—			0.1
Natural gas swaps long-term			—			1.4
Gas purchase agreements current			—			2.8
Gas purchase agreements long-term			—			13.0
Convertible debenture conversion option			—			1.2
Total derivative instruments not designated as cash flow hedges			4.5			18.5
Total derivative instruments		$	4.5		$	19.9

Schedule of changes in OCI attributable to derivative financial instruments designated as cash flow hedges

		Interest Rate
Year Ended December 31, 2019		Swaps
Accumulated OCI balance at January 1, 2019		$	1.6
Change in fair value of cash flow hedges			(0.3)
Realized from OCI during the period			0.3
Accumulated OCI balance at December 31, 2019		$	1.6
Settlements expected to be recognized from OCI in expense in the next 12 months, net of $0.1 million of tax		$	0.3
		Interest Rate
Year Ended December 31, 2018		Swaps
Accumulated OCI balance at January 1, 2018		$	1.1
Change in fair value of cash flow hedges			0.4
Realized from OCI during the period			0.1
Accumulated OCI balance at December 31, 2018		$	1.6

Summary of realized loss (gain) for derivative instruments not designated as cash flow hedges

		Classification of loss (gain)		Year Ended December 31,
		recognized in income		2019			2018			2017
Gas purchase agreements		Fuel		$	8.2		$	4.1		$	7.5
Natural gas swaps		Fuel			0.9			0.3			0.4
Interest rate swaps		Interest, net			(3.2)			(3.3)			0.9

Summary of the unrealized gain (loss) resulting from changes in the fair value of derivative financial instruments that are not designated as cash flow hedges

		Classification of (loss) gain		Year ended December 31,
		recognized in income		2019			2018			2017
Natural gas swaps		Change in fair value of derivatives		$	(4.6)		$	(0.5)		$	(1.8)
Gas purchase agreements		Change in fair value of derivatives			3.2			3.7			(5.0)
Interest rate swaps		Change in fair value of derivatives			(7.5)			(1.0)			8.9
					(8.9)			2.2			2.1
Convertible debenture conversion option		Other expense (income), net			1.8			(1.2)			—
Foreign currency forwards		Foreign exchange loss		$	—		$	0.1		$	—

X

- Definition

Tabular disclosure for realized gains and losses on derivative instruments not designated as hedging instruments of (a) the location and amount of gains and losses reported in the statement of financial performance and (b) the location and fair value amounts of the instruments reported in the statement of financial position.

+ References

No definition available.

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Tabular disclosure for unrealized gains and losses on derivative instruments not designated as hedging instruments of (a) the location and amount of gains and losses reported in the statement of financial performance and (b) the location and fair value amounts of the instruments reported in the statement of financial position.

+ References

No definition available.

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- Definition

Tabular disclosure of gain (loss) on derivative and nonderivative instruments designated and qualifying as cash flow hedge recorded in accumulated other comprehensive income (AOCI) and reclassified into earnings.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
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- Definition

Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
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-Paragraph 4B
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- Definition

Tabular disclosure of the notional amounts of outstanding derivative positions.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
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