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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2022
Income Taxes |
Schedule of Effective Income Tax Rate Reconciliation | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Year ended December 31, |  | 2022 |  | 2021 |  | 2020 |
Earnings before income tax | ​ | $ | 405,988 | ​ | $ | 205,232 | ​ | $ | 235,888 | ​
Statutory federal and provincial tax rate in British Columbia, Canada | ​ |  | 27.00 | % |  | 27.00 | % |  | 27.00 | %
Expected income tax expense | ​ | $ | 109,617 | ​ | $ | 55,413 | ​ | $ | 63,690 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Non-deductible expenses | ​ |  | 7,978 | ​ |  | 7,853 | ​ |  | 4,732 | ​
Non-taxable gain on capital items | ​ | ​ | (19,457) | ​ | ​ | (265) | ​ | ​ | (60) | ​
Changes in the valuation of deferred tax assets | ​ |  | (2,302) | ​ |  | (355) | ​ |  | (2,027) | ​
Different tax rates of subsidiaries operating in foreign jurisdictions | ​ |  | (6,394) | ​ |  | (6,257) | ​ |  | (12,016) | ​
U.S. tax reform impacts | ​ |  | 7 | ​ |  | 3,584 | ​ |  | 17,105 | ​
Deductions for tax purposes in excess of accounting expenses | ​ |  | (754) | ​ | ​ | (2,698) | ​ | ​ | (1,566) | ​
Unrecognized tax benefits | ​ |  | (1,476) | ​ |  | (474) | ​ |  | 817 | ​
Benefits of deductible stock options | ​ |  | (1,518) | ​ |  | (2,121) | ​ |  | (4,070) | ​
Expired losses with full valuation allowance | ​ |  | 689 | ​ |  | 620 | ​ |  | 725 | ​
Other | ​ |  | (160) | ​ |  | (1,922) | ​ |  | (1,800) | ​
​ | ​ | $ | 86,230 | ​ | $ | 53,378 | ​ | $ | 65,530 | ​
​
Summary of Income Tax Expense (Recovery) | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Year ended December 31, |  | 2022 |  | 2021 |  | 2020
Canadian: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Current tax expense | ​ | $ | 60,897 | ​ | $ | 21,664 | ​ | $ | 27,766
Deferred tax expense | ​ |  | 2,725 | ​ |  | 5,639 | ​ |  | 3,970
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Foreign: | ​ |  |  | ​ |  |  | ​ |  |
Current tax expense before application of operating loss carryforwards | ​ |  | 29,573 | ​ |  | 30,093 | ​ |  | 30,280
Tax benefit of operating loss carryforwards | ​ |  | (3,987) | ​ |  | (2,238) | ​ |  | (1,668)
Total current tax expense | ​ |  | 25,586 | ​ |  | 27,855 | ​ |  | 28,612
Deferred tax expense before adjustment | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
to opening valuation allowance | ​ |  | (2,978) | ​ |  | (1,781) | ​ |  | 6,127
Adjustment to opening valuation allowance | ​ |  | — | ​ |  | 1 | ​ |  | (945)
Total deferred tax (recovery) expense | ​ |  | (2,978) | ​ |  | (1,780) | ​ |  | 5,182
​ | ​ | $ | 86,230 | ​ | $ | 53,378 | ​ | $ | 65,530
​
Schedule of Deferred Tax Assets and Liabilities | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
At December 31, |  | 2022 |  | 2021
Deferred tax assets: |  | ​ |  |  | ​ |
Working capital | ​ | $ | 15,357 | ​ | $ | 16,622
Property, plant and equipment | ​ |  | 5,049 | ​ |  | 6,098
Share-based compensation | ​ |  | 10,580 | ​ |  | 5,661
Tax losses and tax credit carryforwards | ​ |  | 22,131 | ​ |  | 31,001
Lease liabilities | ​ | ​ | 29,553 | ​ | ​ | 28,769
Notes receivable/payable | ​ | ​ | 4,276 | ​ | ​ | 760
Other | ​ |  | 7,429 | ​ |  | 6,576
​ | ​ |  | 94,375 | ​ |  | 95,487
Deferred tax liabilities: | ​ |  |  | ​ |  |
Property, plant and equipment | ​ | $ | (18,204) | ​ | $ | (18,305)
Goodwill | ​ |  | (10,564) | ​ |  | (7,382)
Intangible assets | ​ |  | (59,909) | ​ |  | (66,320)
Right-of-use assets | ​ | ​ | (26,016) | ​ | ​ | (25,606)
Long-term debt | ​ | ​ | (131) | ​ | ​ | (3,605)
Notes receivable/payable | ​ | ​ | (9,893) | ​ | ​ | (879)
Other | ​ |  | (7,681) | ​ |  | (5,053)
​ | ​ |  | (132,398) | ​ |  | (127,150)
Net deferred tax liabilities | ​ | $ | (38,023) | ​ | $ | (31,663)
​ | ​ | ​ | ​ | ​ | ​ | ​
Valuation allowance | ​ |  | (9,308) | ​ |  | (13,162)
​ | ​ | $ | (47,331) | ​ | $ | (44,825)
​
Schedule of Non-capital Loss Carryforwards | ​
​ | ​ | ​ | ​
2023 |  | $ | 1,278
2024 | ​ |  | 194
2025 | ​ |  | 115
2026 | ​ |  | 31
2027 and thereafter | ​ |  | 39,955
​ | ​ | $ | 41,573
​
Schedule of Unrecognized Tax Benefits | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
At December 31, |  | 2022 |  | 2021
Unrecognized tax benefits, beginning of year | ​ | $ | 18,859 | ​ | $ | 20,298
Increases – tax positions taken in prior period | ​ |  | 591 | ​ |  | 452
Increases – tax positions taken in current period | ​ |  | 590 | ​ |  | 1,077
Settlement and lapse of statute of limitations | ​ |  | (3,570) | ​ |  | (3,303)
Currency translation adjustment | ​ |  | (479) | ​ |  | 335
Unrecognized tax benefits, end of year | ​ | $ | 15,991 | ​ | $ | 18,859
​

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