Note 7 - Leases - Lease Related Assets and Liabilities (Details) - USD ($) $ in Thousands |
May 31, 2025 |
May 31, 2024 |
|---|---|---|
| Finance lease, right-of-use assets | $ 40,308 | $ 43,993 |
| Operating lease, right-of-use assets | 22,279 | 16,101 |
| Total right-of-use asset | 62,587 | 60,094 |
| Current portion of finance lease liabilities | 1,560 | 1,092 |
| Current portion of operating lease liabilities | 5,381 | 3,999 |
| Finance lease liabilities | 44,295 | 43,948 |
| Operating lease liabilities | 20,630 | 16,474 |
| Total lease liabilities | $ 71,866 | $ 65,513 |
| X | ||||||||||
- Definition Amount of lessee's right of use assets from operating and finance leases. No definition available.
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| X | ||||||||||
- Definition Total amount of liability for both operating lease and financing lease. No definition available.
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| X | ||||||||||
- Definition Present value of lessee's discounted obligation for lease payments from finance lease, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Present value of lessee's discounted obligation for lease payments from finance lease, classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount, after accumulated amortization, of right-of-use asset from finance lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of lessee's right to use underlying asset under operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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