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Supplemental Cash Flow Information - Cash Flow Changes in Operating Asset and Liabilities (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jul. 31, 2024
Jul. 31, 2023
Jul. 31, 2024
Jul. 31, 2023
Supplemental Cash Flow Information        
Trade accounts receivable $ (3,466) $ (6,051) $ (992) $ (9,170)
Other accounts receivable (4,394) (1,742) (601) (2,782)
Prepaid expenses and other (2,135) 2,198 (6,721) (1,542)
Inventory 321 385 201 365
Accounts payable 1,841 (367) 3,249 659
Accrued liabilities (24,540) 782 (21,649) 2,431
Income taxes payable (40) (752) 1,416 (1,469)
Operating leases (185) (99) (216) (118)
Deferred revenue 6,159 10,260 8,517 15,856
Changes in operating assets and liabilities, total $ (26,439) $ 4,614 $ (16,796) $ 4,230