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v3.25.3

CREDIT ARRANGEMENTS (Long-term Debt) (Details) - USD ($) $ in Thousands | Aug. 31, 2025 | Aug. 31, 2024 | Feb. 28, 2022 | Jan. 31, 2022 | Feb. 28, 2021
--- | --- | --- | --- | --- | ---
Debt Instrument [Line Items] |  |  |  |  |
Finance leases | $ 158,917 | $ 141,271 |  |  |
Total debt | 1,364,085 | 1,198,241 |  |  |
Less unamortized debt issuance costs | (14,051) | (13,073) |  |  |
Total amounts outstanding | 1,354,295 | 1,189,621 |  |  |
Less current maturities of long-term debt | (44,289) | (38,786) |  |  |
Long-term debt | 1,310,006 | 1,150,835 |  |  |
Series 2022 Bonds, due 2047 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Plus unamortized bond premium | $ 4,261 | 4,453 |  |  |
$300 million notes at 4.125% due February 2030 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Weighted average interest rate | 4.125% |  |  | 4.125% |
Long-term debt, gross | $ 300,000 | 300,000 |  |  |
Total debt |  |  |  | $ 300,000 |
2031 Notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Weighted average interest rate | 3.875% |  |  |  | 3.875%
Long-term debt, gross | $ 300,000 | 300,000 |  |  |
Total debt |  |  |  |  | $ 300,000
2032 Notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Weighted average interest rate | 4.375% |  |  | 4.375% |
Long-term debt, gross | $ 300,000 | 300,000 |  |  |
Total debt |  |  |  | $ 300,000 |
Series 2022 Bonds, due 2047 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Weighted average interest rate | 4.00% |  | 4.00% |  |
Long-term debt, gross | $ 145,060 | 145,060 |  |  |
Series 2025 Bonds, Due 2032 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Weighted average interest rate | 4.625% |  |  |  |
Long-term debt, gross | $ 150,000 | 0 |  |  |
Less unamortized debt issuance costs | $ (2,900) |  |  |  |
Other |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Weighted average interest rate | 5.10% |  |  |  |
Long-term debt, gross | $ 10,108 | 11,910 |  |  |
Finance leases |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Weighted average interest rate | 5.263% |  |  |  |
Finance leases | $ 158,917 | $ 141,271 |  |  |

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