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v3.25.3

CREDIT ARRANGEMENTS (Narrative) (Details) zł in Millions | 1 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Feb. 28, 2022 USD ($) | Aug. 31, 2025 USD ($) | Aug. 31, 2024 USD ($) | Aug. 31, 2023 USD ($) | May 31, 2025 USD ($) | Aug. 31, 2024 PLN (zł) | Jan. 31, 2022 USD ($) | Feb. 28, 2021 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Total debt |  | $ 1,364,085,000 | $ 1,198,241,000 |  |  |  |  |
Debt issuance costs |  | 14,051,000 | 13,073,000 |  |  |  |  |
Interest costs capitalized |  | 10,800,000 | 5,400,000 | $ 21,500,000 |  |  |  |
CMCP |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Maximum borrowing capacity |  | 164,500,000 | 154,800,000 |  |  | zł 600.0 |  |
Revolving credit agreement |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Revolving credit facility, maximum borrowing capacity |  | 850,000,000.0 |  |  |  |  |  |
Revolving line of credit outstanding amount |  | $ 0 | 0 |  |  |  |  |
Minimum interest coverage ratio |  | 2.50 |  |  |  |  |  |
Maximum debt to capitalization ratio |  | 0.60 |  |  |  |  |  |
Actual interest coverage ratio |  | 10.18 |  |  |  |  |  |
Actual debt to capitalization ratio |  | 0.25 |  |  |  |  |  |
Stand-by letters of credit |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Maximum borrowing capacity |  | $ 50,000,000.0 |  |  |  |  |  |
Stand by letters of credit outstanding amount |  | 1,000,000.0 | 900,000 |  |  |  |  |
Standby Letters of Credit | CMCP |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Stand by letters of credit outstanding amount |  | $ 2,700,000 | 2,400,000 |  |  |  |  |
$300 million notes at 4.125% due February 2030 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Total debt |  |  |  |  |  |  | $ 300,000,000 |
Weighted average interest rate |  | 4.125% |  |  |  |  | 4.125% |
2032 Notes |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Total debt |  |  |  |  |  |  | $ 300,000,000 |
Weighted average interest rate |  | 4.375% |  |  |  |  | 4.375% |
$300 million notes at 3.875% due February 2031 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Total debt |  |  |  |  |  |  |  | $ 300,000,000
Weighted average interest rate |  | 3.875% |  |  |  |  |  | 3.875%
Series 2022 Bonds, due 2047 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Weighted average interest rate | 4.00% | 4.00% |  |  |  |  |  |
Term loan, maximum principal amount | $ 145,100,000 |  |  |  |  |  |  |
Bonds, effective yield (interest rate) | 0.035 |  |  |  |  |  |  |
Proceeds from issuance of debt | $ 150,000,000 |  |  |  |  |  |  |
Series 2025 Bonds, Due 2032 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Weighted average interest rate |  | 4.625% |  |  |  |  |  |
Debt issuance costs |  | $ 2,900,000 |  |  |  |  |  |
Term loan, maximum principal amount |  |  |  |  | $ 150,000,000 |  |  |
Credit Agreement Maturing March 2026 | Revolving credit agreement |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Maximum borrowing capacity |  | 600,000,000 |  |  |  |  |  |
Poland Program |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Transfer of accounts receivable program |  | $ 78,900,000 | $ 74,300,000 |  |  | zł 288.0 |  |

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