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Note 15 - Income Tax (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

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

			2017				2016
Combined statutory rate			26.5	%			26.5	%
Nondeductible expenses			2.1				2.4
Tax effect of flow through entities			(1.1	)			(1.1	)
Impact of changes in foreign exchange rates			0.5				-
Adjustments to tax liabilities for prior periods			0.9				(0.4	)
Effects of changes in enacted US federal tax rate			8.6				-
Changes in liability for unrecognized tax benefits			(0.4	)			(0.6	)
Stock-based compensation			0.6				0.5
Foreign, state, and provincial tax rate differential			2.5				4.4
Other taxes			0.7				1.4
Change in valuation allowance			(0.9	)			0.3
Outside basis difference in investments			1.0				0.5
Other			(0.3	)			0.4
Effective income tax rate			40.7	%			34.3	%

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

			2017				2016
Canada		$	21,567			$	23,309
United States			32,178				40,435
Foreign			101,687				75,656
Total		$	155,432			$	139,400

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

			2017				2016
Current
Canada		$	4,031			$	5,091
United States			3,235				2,090
Foreign			36,310				30,650
			43,576				37,831
Deferred
Canada			3,125				2,278
United States			21,812				12,753
Foreign			(5,213	)			(5,033	)
			19,724				9,998
Total		$	63,300			$	47,829

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

			2017				2016
Loss carry-forwards and other credits		$	37,869			$	56,822
Expenses not currently deductible			22,830				22,525
Stock-based compensation			525				474
Investments			11,956				17,303
Provision for doubtful accounts			4,221				4,990
Financing fees			162				376
Net unrealized foreign exchange losses			(634	)			(399	)
Depreciation and amortization			(32,035	)			(21,713	)
Less: valuation allowance			(11,079	)			(12,707	)
Net deferred income tax asset		$	33,815			$	67,671

Summary of Operating Loss Carryforwards [Table Text Block]

		Gross loss carry forward								Gross losses not recognized								Net
			2017				2016				2017				2016				2017				2016
Canada		$	30,904			$	37,428			$	24			$	153			$	30,880			$	37,275
United States			47,720				85,550				915				4,100				46,805				81,450
Foreign			50,512				45,988				30,705				31,543				19,807				14,445

		Gross loss carry forward								Gross losses not recognized								Net
			2017				2016				2017				2016				2017				2016
Canada		$	1,881			$	183			$	1,567			$	108			$	314			$	75
United States			1,671				54				1,671				-				-				54
Foreign			7,139				6,521				7,139				6,521				-				-

Summary of Income Tax Contingencies [Table Text Block]

			2017				2016
Balance, January 1		$	2,292			$	2,519
Gross increases for tax positions of current period			-				111
Gross increases for tax positions of prior periods			18				41
Amount recognized on acquisitions			-				613
Reduction for lapses in applicable statutes of limitations			(628	)			(1,031	)
Foreign currency translation			176				39
Balance, December 31		$	1,858			$	2,292

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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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