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Note 16 - Income Tax (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

		2020				2019
Income tax expense using combined statutory rate of 26.5% (2019 - 26.5%, 2018 - 26.5%)		$	38,545			$	(53,128	)
Permanent differences			820				1,566
Tax effect of flow through entities			-				(307	)
Adjustments to tax liabilities for prior periods			882				(328	)
Non-deductible stock-based compensation			3,081				2,153
Excess tax benefits related to stock-based compensation			-				(3,672	)
Foreign, state and provincial tax rate differential			(7,463	)			(2,402	)
Settlement of long-term incentive arrangement			-				83,310
Other taxes			-				(45	)
Provision for income taxes as reported		$	35,865			$	27,147

Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]

		2020				2019
Canada		$	19,166			$	(323,100	)
United States			126,289				122,616
Total		$	145,455			$	(200,484	)

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

		2020				2019
Current
Canada		$	3,300			$	369
United States			49,759				33,978
			53,059				34,347
Deferred
Canada			1,350				(1,620	)
United States			(18,544	)			(5,580	)
			(17,194	)			(7,200	)
Total		$	35,865			$	27,147

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

		2020				2019
Deferred income tax assets
Loss carry-forwards		$	1,441			$	2,788
Expenses not currently deductible			39,415				23,283
Stock-based compensation			-				749
Allowance for doubtful accounts			5,535				3,860
Inventory and other reserves			865				3,024
			47,256				33,704
Deferred income tax liabilities
Depreciation and amortization			83,676				86,072
Basis differences of partnerships and other entities			769				793
Prepaid and other expenses deducted for tax purposes			1,505				1,276
			85,950				88,141
Net deferred income tax asset (liability) before valuation allowance			(38,694	)			(54,437	)
Valuation allowance			603				965
Net deferred income tax asset (liability)		$	(39,297	)		$	(55,402	)

Summary of Operating Loss Carryforwards [Table Text Block]

		Loss carry forward								Gross losses not recognized								Net
		2020				2019				2020				2019				2020				2019
Canada		$	1,364			$	4,430			$	-			$	-			$	1,364			$	4,430
United States			13,733				18,615				11,417				15,840				2,316				2,775

X

- Definition

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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