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Income Taxes - Income Tax Expense (Recovery) Incurred by Jurisdictions (Details) - USD ($) $ in Thousands | 12 Months Ended
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Jan. 31, 2025 | Jan. 31, 2024 | Jan. 31, 2023
Income Taxes |  |  |
Current income tax expense | $ 53,402 | $ 41,223 | $ 28,248
Deferred tax expense (recovery) | (5,042) | (5,978) | 3,244
Income tax expense | 48,360 | 35,245 | 31,492
Canada |  |  |
Income Taxes |  |  |
Current income tax expense | 22,282 | 16,376 | 9,673
Deferred tax expense (recovery) | (3,875) | (2,369) | 5,059
United States |  |  |
Income Taxes |  |  |
Current income tax expense | 18,020 | 16,532 | 13,085
Deferred tax expense (recovery) | 585 | (5,060) | (1,888)
Other countries |  |  |
Income Taxes |  |  |
Current income tax expense | 13,100 | 8,315 | 5,490
Deferred tax expense (recovery) | $ (1,752) | $ 1,451 | $ 73

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