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v3.24.1.1.u2

Debentures (Details) $ / shares in Units, shares in Thousands | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
May 31, 2024 USD ($) $ / shares shares | May 31, 2023 USD ($) | Nov. 30, 2023 | Feb. 29, 2024 USD ($) | Nov. 13, 2023 USD ($)
Debt Instrument [Line Items] |  |  |  |  |
Redemption period, end date | Feb. 15, 2029 |  |  |  |
Par value of convertible debentures | $ 1,000 |  |  |  |
Interest expense, debt | 2,000,000 | $ 2,000,000 |  |  |
Long-term notes (note 5) | 194,000,000 |  |  | $ 194,000,000 |
Related Party Principal Amounts of 2020 Debenture Owned | 330,000,000 |  |  |  |
2020 Debentures |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Face amount of debt |  |  |  |  | $ 365,000,000
Redemption period, end date |  |  | Nov. 13, 2023 |  |
Senior Convertible Notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Face amount of debt | 200,000,000 |  |  | $ 194,000,000 |
Amortization of Debt Issuance Costs | 0 |  |  |  |
Long-Term Debt | $ 194,000,000 |  |  |  |
Interest rate | 3.00% |  |  |  |
Debt Instrument, Convertible, Number of Equity Instruments - with decimals | 257.5826 |  |  |  |
Conversion of stock (in shares) | shares | 52,000 |  |  |  |
Conversion price (in dollars per share) | $ / shares | $ 3.88 |  |  |  |
Date of first interest payment | Aug. 15, 2024 |  |  |  |
Debt Instrument, Interest Rate Terms | The Notes will bear interest at a rate of 3.00% per annum, payable semi-annually in arrears on February 15 and August 15 of each year, beginning on August 15, 2024 |  |  |  |
Payments of Debt Issuance Costs | $ 6,000,000 |  |  |  |

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