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Income Taxes - Income Tax Expense (Recovery) Incurred by Jurisdictions (Details) - USD ($)
$ in Thousands
 12 Months Ended
Jan. 31, 2023
Jan. 31, 2022
Jan. 31, 2021
Income Taxes      
Current income tax expense $ 28,248 $ 14,814 $ 3,746
Deferred tax expense 3,244 1,514 14,523
Income tax expense 31,492 16,328 18,269
Canada      
Income Taxes      
Current income tax expense 9,673 1,817 1,875
Deferred tax expense 5,059 8,381 7,047
United States      
Income Taxes      
Current income tax expense 13,085 8,689 (3,050)
Deferred tax expense (1,888) 1,941 9,537
Other countries      
Income Taxes      
Current income tax expense 5,490 4,308 4,921
Deferred tax expense $ 73 $ (8,808) $ (2,061)