Notes Payable and Long-Term Debt - Narrative (Details) - USD ($)
$ in Thousands |
3 Months Ended |
|
Nov. 30, 2021 |
Nov. 30, 2020 |
Aug. 31, 2021 |
| Debt Instrument [Line Items] |
|
|
|
| Interest expense |
$ 23,432
|
$ 25,050
|
|
| Capitalized interest |
2,300
|
2,100
|
|
| Interest Expense |
23,432
|
$ 25,050
|
|
| Principal Amount Outstanding of Loans Held-in-portfolio |
777,000
|
|
|
| Long-term Debt |
$ 1,576,769
|
|
$ 1,579,911
|
| Five-Year Revolving Facilities | Line of Credit | Revolving credit facility |
|
|
|
| Debt Instrument [Line Items] |
|
|
|
| Debt instrument, term |
5 years
|
|
|
| Current borrowing capacity |
$ 2,750,000
|
|
|
| Outstanding balance |
200,000
|
|
$ 0
|
| Repurchase Facility | Subordinated Debt |
|
|
|
| Debt Instrument [Line Items] |
|
|
|
| Outstanding balance |
150,000
|
|
|
| Maximum borrowing capacity |
150,000
|
|
|
| Term loans from cooperatives and other banks, 430K payable in 2025 | Unsecured Debt |
|
|
|
| Debt Instrument [Line Items] |
|
|
|
| Long-term Debt |
366,000
|
|
|
| committed |
|
|
|
| Debt Instrument [Line Items] |
|
|
|
| maximum availability under securitization |
700,000
|
|
|
| uncommitted |
|
|
|
| Debt Instrument [Line Items] |
|
|
|
| maximum availability under securitization |
250,000
|
|
|
| utilized |
|
|
|
| Debt Instrument [Line Items] |
|
|
|
| Principal Amount Outstanding of Loans Held-in-portfolio |
$ 700,000
|
|
|