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INCOME TAXES (Tables) | 12 Months Ended
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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 |

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