v3.19.3.a.u2

Income tax expense (Tables)

12 Months Ended

Dec. 31, 2019

Income tax expense

Schedule of components of income tax expense (benefit)

		Year Ended December 31,
		2019			2018			2017
Current income tax expense		$	4.9		$	3.8		$	4.1
Deferred income tax expense (benefit)			4.9			(3.6)			(62.2)
Total income tax expense (benefit), net		$	9.8		$	0.2		$	(58.1)

Schedule of reconciliation of income taxes calculated at the Canadian enacted statutory rate to the provision for income taxes in the consolidated statements of operations

		Year Ended December 31,
		2019			2018			2017
Computed income tax (benefit) expense at Canadian statutory rate			(9.2)			10.1			(39.3)
Increases (decreases) resulting from:
Operating in countries with different income tax rates			0.1			0.1			(20.1)
			(9.1)			10.2			(59.4)
Change in valuation allowance			5.7			(6.7)			(34.6)
			(3.4)			3.5			(94.0)
Dividend withholding tax and other cash taxes			1.3			0.5			0.2
Foreign exchange			1.7			—			(2.4)
Changes in tax rates			2.2			(3.3)			(1.5)
Remeasurement of deferred tax assets and liabilities			—			—			28.5
Capital gain (loss) on intercompany notes			0.1			(1.1)			(0.1)
Impairments			7.7			—			9.9
Other			0.2			0.6			1.3
			13.2			(3.3)			35.9
Income tax expense (benefit)		$	9.8		$	0.2		$	(58.1)

Schedule of significant portions of the deferred tax assets and deferred tax liabilities

		2019			2018
Deferred tax assets:
Loss carryforwards		$	135.9		$	163.3
Capital loss carryforwards			35.8			34.4
Interest expense limitation carryforwards			9.7			10.9
Finance and share issuance costs			0.1			0.5
Tax Credits			1.4			1.4
Stock-based compensation			2.4			2.9
Derivative contracts			5.7			3.2
Other long-term notes			—			1.5
Other			0.9			—
Total deferred tax assets			191.9			218.1
Less: Valuation allowance			(145.4)			(139.7)
			46.5			78.4
Deferred tax liabilities:
Intangible assets			(21.9)			(30.0)
Property, plant and equipment			(31.2)			(41.9)
Basis difference in joint ventures			(5.4)			(15.5)
Other long-term investments			(1.3)			—
Total deferred tax liabilities			(59.8)			(87.4)
Net deferred tax liability			(13.3)			(9.0)
Net deferred tax (liability) asset by jurisdiction		2019			2018
U.S. Federal and State		$	(23.7)		$	(16.0)
Canada			10.4			7.0
Net deferred tax liability			(13.3)			(9.0)

Schedule of amounts of net operating loss carryforwards and their expiration years

		U.S.			Canada			Total
2029		$	-		$	27.3		$	27.3
2030			41.1			-			41.1
2031			25.8			-			25.8
2032			13.4			5.8			19.2
2033			20.6			23.5			44.1
2034			122.3			9.1			131.4
2035			154.1			-			154.1
2036			17.0			20.3			37.3
2037			16.7			8.9			25.6
2038			-			10.1			10.1
2039			-			6.9			6.9
		$	411.0		$	111.9		$	522.9

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Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.

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Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.

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Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.

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Tabular disclosure of pertinent information, such as tax authority, amounts, and expiration dates, of net operating loss carryforwards, including an assessment of the likelihood of utilization.

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