Note 16 - Long-term Debt - Net Carrying Amount of Long-term Debt Instruments (Details) $ in Thousands, $ in Millions	May 31, 2025 USD ($)	May 31, 2025 CAD ($)	May 31, 2024 USD ($)
Term Loan Due in February 2028 [Member]
Carrying amount of long-term debt	$ 38,690	$ 53	$ 39,420
Term Loan Due in July 2033 [Member]
Carrying amount of long-term debt	11,501		10,212
Term Loan Due in July 2033 Two [Member]
Carrying amount of long-term debt	9,354		12,422
Term Loan Due in August 2026 [Member]
Carrying amount of long-term debt	157		263
Mortgage Payable Due in August 2026 [Member]
Carrying amount of long-term debt	2,020		2,089
Term Loan Due in April 2025 [Member]
Carrying amount of long-term debt	0		417
Term Loan Due in August 2028 [Member]
Carrying amount of long-term debt	2,546		3,151
Mortgage Payable Due in October 2030 [Member]
Carrying amount of long-term debt	19,418		20,066
Term Loan Due in June 2028 [Member]
Carrying amount of long-term debt	80,438		86,626
Long-term Debt, Excluding Convertible Debentures [Member]
Carrying amount of long-term debt	164,124		174,666
Unamortized financing fees	(864)		(808)
Net carrying amount	163,260		173,858
Less principal portion included in current liabilities	(14,767)		(15,506)
Total noncurrent portion of long-term debt	$ 148,493		$ 158,352

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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