Note 16 - Income Tax (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

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

	2016			2015			2014
Combined statutory rate		26.5	%		26.5	%		26.5	%
Nondeductible expenses		2.4			5.8			6.4
Tax effect of flow-through entities		(1.1	)		(2.5	)		(2.9	)
Impact of changes in foreign exchange rates		-			(2.1	)		(0.8	)
Adjustments to tax liabilities for prior periods		(0.4	)		(1.4	)		(2.5	)
Effects of changes in enacted tax rates		-			(0.5	)		0.1
Changes in liability for unrecognized tax benefits		(0.6	)		(0.6	)		(1.9	)
Stock-based compensation		0.5			13.9			4.1
Foreign, state, and provincial tax rate differential		4.4			1.1			(6.2	)
Other taxes		1.4			2.4			2.4
Change in valuation allowance		0.3			0.6			(1.7	)
Outside basis difference in investments		0.5			1.4			1.4
Other		0.4			0.3			0.3
Effective income tax rate		34.3	%		44.9	%		25.2	%

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

	2016		2015			2014
Canada	$	23,309	$	(31,818	)	$	(11,751	)
United States		40,435		27,301			14,242
Foreign		75,656		76,984			69,623
Total	$	139,400	$	72,467		$	72,114

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

	2016			2015			2014
Current
Canada	$	5,091		$	(770	)	$	(6,343	)
United States		2,090			1,555			(3,474	)
Foreign		30,650			29,014			28,901
		37,831			29,799			19,084
Deferred
Canada		2,278			(875	)		(336	)
United States		12,753			5,980			2,728
Foreign		(5,033	)		(2,352	)		(3,271	)
		9,998			2,753			(879	)
Total	$	47,829		$	32,552		$	18,205

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

	2016			2015
Loss carry-forwards and other credits	$	56,822		$	70,952
Expenses not currently deductible		22,525			22,018
Stock-based compensation		474			210
Investments		17,303			15,470
Provision for doubtful accounts		4,990			3,601
Financing fees		376			267
Net unrealized foreign exchange		(399	)		3,097
Depreciation and amortization		(21,713	)		(18,932	)
Less: valuation allowance		(12,707	)		(15,603	)
Net deferred income tax asset	$	67,671		$	81,080

Summary of Operating Loss Carryforwards [Table Text Block]

	Gross loss carry forward				Gross losses not recognized				Net
	2016		2015		2016		2015		2016		2015
Canada	$	37,428	$	49,924	$	153	$	141	$	37,275	$	49,783
United States		85,550		118,224		4,100		4,100		81,450		114,124
Foreign		45,988		41,333		31,543		31,902		14,445		9,431

	Gross loss carry forward				Gross losses not recognized				Net
	2016		2015		2016		2015		2016		2015
Canada	$	183	$	369	$	108	$	369	$	75	$	-
United States		54		-		-		-		54		-
Foreign		6,521		6,489		6,521		6,489		-		-

Summary of Income Tax Contingencies [Table Text Block]

	2016			2015
Balance, January 1	$	2,519		$	3,624
Gross increases for tax positions of current period		111			174
Gross increases for tax positions of prior periods		41			365
Amount recognized on acquisitions		613			-
Reduction for settlements with taxing authorities		-			(335	)
Reduction for lapses in applicable statutes of limitations		(1,031	)		(967	)
Foreign currency translation		39			(342	)
Balance, December 31	$	2,292		$	2,519