Income Taxes (Tables)

12 Months Ended

Dec. 31, 2021

Disclosure of income tax [text block] [Abstract]

Schedule of components of income tax expense

For the years ended December 31,	2021			2020			2019
Current tax expense	$	85,219		$	77,138		$	71,202
Deferred tax recovery		(6,842	)		(81,491	)		(56,080	)
Tax expense (recovery)	$	78,377		$	(4,353	)	$	15,122

Schedule of reconciliation of statutory income tax rate

For the years ended December 31,	2021			2020			2019
Income before tax	$	236,139		$	241,225		$	202,320
Multiplied by the statutory income tax rates		26.46	%		26.46	%		26.56	%
		62,482			63,828			53,736
Income tax recorded at rates different from the Canadian tax rate		(38,060	)		(22,875	)		(13,017	)
Permanent differences		15,444			1,548			(6,760	)
Effect on deferred tax balances due to changes in income tax rates		—			(885	)		(2,829	)
Effect of temporary differences not recognized as deferred tax assets		44,591			(43,941	)		(16,681	)
Taxes related to prior periods(1)		(4,769	)		(1,467	)		(311	)
Other(1)		(1,311	)		(561	)		984
Tax expense (recovery)	$	78,377		$	(4,353	)	$	15,122
Effective income tax rate		33.19	%	$	(1.80	)%		7.47	%

Schedule of tax effects of temporary differences between carrying amounts of assets and liabilities for accounting purposes

As at December 31,	2021		2020
Deferred tax assets
Foreign tax credits	$	7,164	$	6,558
Financing charges		7,930		12,004
Deferred revenue		9,510		11,127
Loss carry forwards		24,777		29,715
Employee benefits		—		12,438
Reserves		1,639		1,222
Other		3,203		2,531
Total deferred tax assets	$	54,223	$	75,595

As at December 31,	2021			2020
Deferred tax liabilities
Capital assets	$	(118,881	)	$	(149,214	)
Intangible assets		(183,914	)		(158,957	)
Unrealized foreign exchange gains		(421	)		(13,405	)
Employee benefits		(1,138	)		—
Total deferred tax liabilities	$	(304,354	)	$	(321,576	)
Deferred tax liabilities, net	$	(250,131	)	$	(245,981	)