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INCOME TAXES (Tables)
 12 Months Ended
Dec. 31, 2017
Income Taxes [Abstract]  
Reconciliation of accounting profit multiplied by applicable tax rates and average effective tax rate
The reasons for the difference and the related tax effects are as follows:
 
 
2017

2016
 
 
 
 
 
 
Earnings before income taxes
$
376,816

 
$
351,838

Applicable tax rate
26.8
%
 
26.8
%
Income taxes at applicable statutory rate
101,100

 
94,398

 
 
 
 
 
(Decrease) increase in income taxes resulting from:
 
 
 
 
Effect of different tax rates on earnings of foreign subsidiaries
(89,722
)
 
(83,208
)
 
Income tax recovery and other adjustments related to prior taxation years
(1,676
)
 
(4,822
)
 
Effect of reduction in tax rate
(1,633
)
 
—

 
Effect of revaluation of deferred taxes on intangible assets
(62,228
)
 
—

 
Non-recognition of tax benefits related to tax losses and temporary differences
62,488

 
1,545

 
Effect of non-deductible expenses and other
6,153

 
(2,713
)
Total income tax expense
$
14,482

 
$
5,200

Average effective tax rate
3.8
%
 
1.5
%
Major components of tax expense (income)
The details of income tax expense are as follows:
 
 
2017

 
2016

 
 
 
 
 
Current income taxes, includes a recovery of $1,368
 
 
 
  (2016 - recovery of $2,725) relating to prior taxation years
$
9,587

 
$
8,356

 
 
 
 
Deferred income taxes:
 
 
 
 
Reduction in tax rate
(1,633
)
 
—

 
Revaluation of deferred taxes on intangible assets
(62,228
)
 
—

 
Origination and reversal of temporary differences
6,576

 
(1,059
)
 
Non-recognition of tax benefits related to tax losses and temporary differences
62,488

 
—

 
Recognition of tax benefits relating to prior taxation years
(308
)
 
(2,097
)
 
4,895

 
(3,156
)
Total income tax expense
$
14,482

 
$
5,200
Disclosure of temporary difference, unused tax losses and unused tax credits
Significant components of the Company’s deferred income tax assets and liabilities relate to the following temporary differences and unused tax losses:
 
 
December 31, 2017

 
January 1, 2017

 
 
 
Deferred tax assets:
 
 
 
 
Non-capital losses
$
75,433

 
$
76,345

 
Non-deductible reserves and accruals
5,712

 
49,856

 
Property, plant and equipment
9,629

 
7,239

 
Other items
6,609

 
4,946

 
 
97,383

 
138,386

 
Unrecognized deferred tax assets
(67,152
)
 
(27,529
)
Deferred tax assets
$
30,231

 
$
110,857

 
 
 
 
 
Deferred tax liabilities:
 
 
 
 
Property, plant and equipment
$
(24,239
)
 
$
(32,703
)
 
Intangible assets
(9,705
)
 
(76,654
)
Deferred tax liabilities
$
(33,944
)
 
$
(109,357
)
Deferred income taxes
$
(3,713
)
 
$
1,500

The details of changes to deferred income tax assets and liabilities were as follows:
 
 
2017

 
2016

 
 
 
 
 
Balance, beginning of fiscal year, net
$
1,500

 
$
2,793

 
 
 
 
 
Recognized in the statements of earnings:
 
 
 
 
Non-capital losses
31,202

 
9,847

 
Non-deductible reserves and accruals
(41,052
)
 
3,004

 
Property, plant and equipment
(3,062
)
 
(11,438
)
 
Intangible assets
66,888

 
498

 
Other
1,984

 
2,790

 
Reduction in tax rate
1,633

 
—

 
Unrecognized deferred tax assets
(62,488
)
 
(1,545
)
 
 
(4,895
)
 
3,156

 
 
 
 
 
Business acquisitions
—

 
(4,542
)
Other
(318
)
 
93

Balance, end of fiscal year, net
$
(3,713
)
 
$
1,500