Note 24 - General and Administrative Expenses - Components of General and Administrative Expenses (Details) - USD ($) $ in Thousands	12 Months Ended
May 31, 2024	May 31, 2023	May 31, 2022
Executive compensation	$ 15,597	$ 13,655	$ 14,128
Office and general	28,460	27,845	27,153
Salaries and wages	68,076	57,228	51,693
Share-Based Payment Arrangement, Expense	31,769	39,595	35,994
Insurance	12,586	12,033	17,536
Professional fees	5,345	7,166	13,047
Gain on sale of capital assets	(4,198)	(48)	(682)
Insurance proceeds	0	0	(4,032)
Travel and accommodation	5,138	4,530	4,203
Rent	4,585	3,155	3,761
Total	$ 167,358	$ 165,159	$ 162,801

Amount of expense for office and general.

No definition available.

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-Publisher FASB
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-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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- Definition

Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit. Other employee benefit expense includes, but is not limited to, service component of net periodic benefit cost for defined benefit plan. Excludes compensation cost in cost of good and service sold.

+ References

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- Definition

Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.

+ References

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

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- Definition

The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

+ References

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-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
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- Definition

The expense in the period incurred with respect to protection provided by insurance entities against risks other than risks associated with production (which are allocated to cost of sales).

+ References

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- Definition

Amount of operating lease expense. Excludes sublease income.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 4
-Subparagraph (b)
-Publisher FASB
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- Definition

Cash received as payments for insurance premiums during the current period.

+ References

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-Topic 230
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-Name Accounting Standards Codification
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- Definition

A fee charged for services from professionals such as doctors, lawyers and accountants. The term is often expanded to include other professions, for example, pharmacists charging to maintain a medicinal profile of a client or customer.

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Reference 1: http://www.xbrl.org/2003/role/exampleRef
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Amount of expense for salary and wage arising from service rendered by nonofficer and officer employees. Excludes allocated cost, labor-related nonsalary expense, and direct and overhead labor cost included in cost of good and service sold.

+ References

No definition available.

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- Definition

Expenses incurred for travel and entertainment during the period.

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