Supplemental Cash Flow Information - Cash Flow Changes in Operating Asset and Liabilities (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jul. 31, 2025	Jul. 31, 2024	Jul. 31, 2025	Jul. 31, 2024
Supplemental Cash Flow Information
Trade accounts receivable	$ (641)	$ (3,466)	$ (2,396)	$ (992)
Other accounts receivable	(3,449)	(4,394)	(2,373)	(601)
Prepaid expenses and other	2,654	(1,814)	6,822	(6,520)
Accounts payable	(6,180)	1,841	(5,028)	3,249
Accrued liabilities	(3,692)	(24,540)	(14,865)	(21,649)
Income taxes payable	(2,535)	(40)	(1,370)	1,416
Operating leases	(118)	(185)	(177)	(216)
Deferred revenue	6,861	6,159	5,321	8,517
Changes in operating assets and liabilities	$ (7,100)	$ (26,439)	$ (14,066)	$ (16,796)

The amount of increase (decrease) in operating lease liabilities.

No definition available.

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- Definition

The increase (decrease) during the reporting period in the aggregate amount of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (a)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

+ Details

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- Definition

The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services.

+ References

+ Details

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- Definition

The increase (decrease) during the reporting period in the aggregate amount of expenses incurred but not yet paid.

+ References

+ Details

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- Definition

Amount of increase (decrease) in deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (a)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

+ Details

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- Definition

The increase (decrease) during the reporting period in the amounts payable to taxing authorities for taxes that are based on the reporting entity's earnings, net of amounts receivable from taxing authorities for refunds of overpayments or recoveries of income taxes, and in deferred and other tax liabilities and assets.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

+ Details

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- Definition

The increase (decrease) during the reporting period of all assets and liabilities used in operating activities.

+ References

+ Details

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- Definition

Amount of increase (decrease) in receivables classified as other.

+ References

+ Details

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- Definition

Amount of increase (decrease) in prepaid expenses, and assets classified as other.

+ References

+ Details

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- References

No definition available.

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