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v3.19.3

Notes Payable and Long-Term Debt - Narrative (Details) - USD ($) $ in Thousands | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Sep. 30, 2015 | Aug. 31, 2019 | Aug. 31, 2018 | Aug. 31, 2017 | Sep. 04, 2018
Debt Instrument [Line Items] |  |  |  |  |
Interest expense |  | $ 167,065 | $ 149,202 | $ 171,239 |
Long-term Debt, Fair Value |  | 1,900,000 |  |  |
Notes payable |  | 2,156,108 | 2,272,196 |  |
Long-term Debt |  | 1,754,752 |  |  |
Capitalized Interest |  | (9,400) | (6,700) | $ (6,900) |
Long-term debt repaid |  | 153,600 |  |  |
Line of Credit Facility, Current Borrowing Capacity |  | $ 2,750,000 |  |  |
Unsecured debt | Minimum |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate |  | 1.30% |  |  |
Unsecured debt | Maximum |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate |  | 15.25% |  |  |
Five-year revolving facilities | Line of credit | Revolving credit facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of credit facility, amount outstanding |  | $ 335,000 | 0 |  |
Debt Instrument, Term |  | 5 years |  |  |
Line of Credit Facility, Current Borrowing Capacity |  | $ 2,750,000 |  |  |
Five-year revolving facilities | Line of credit | Revolving credit facility | Minimum |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 0.00% |  |  |
Five-year revolving facilities | Line of credit | Revolving credit facility | Maximum |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 1.45% |  |  |
Three-year revolving facility | Line of credit | Revolving credit facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt Instrument, Term |  | 3 years |  |  |
Line of Credit Facility, Current Borrowing Capacity |  | $ 315,000 |  |  |
Uncommitted lines of credit | Line of credit | Revolving credit facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Long-term Line of Credit, Noncurrent |  | 342,700 |  |  |
Other international subsidiaries, lines of credit | Line of credit | Revolving credit facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of credit facility, amount outstanding |  | 155,800 |  |  |
Line Of Credit, Collateralized Amount |  | 13,800 |  |  |
Repurchase Facility [Member] | Subordinated Debt [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  | $ 150,000
Line of Credit Facility, Fair Value of Amount Outstanding |  | 150,000 |  |  |
Master participation agreements | Notes Payable, Other Payables [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Short-term bank loans and notes payable current borrowing capacity |  | 5,000 |  |  |
Notes payable |  | $ 2,300 |  |  |
Master participation agreements | Notes Payable, Other Payables [Member] | Minimum |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate |  | 4.19% |  |  |
Term loans from cooperative and other banks | Line of credit | Revolving credit facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate |  |  |  |  |
Private placement, payable in equal installments beginning in 2014 through 2018 | Unsecured debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate |  | 6.18% |  |  |
Debt Instrument, Face Amount |  | $ 400,000 |  |  |
Private placement, payable in installments through 2018 | Unsecured debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate |  | 5.60% |  |  |
Debt Instrument, Face Amount |  | $ 60,000 |  |  |
Private placement, payable in equal installments beginning in 2014 through 2018 | Notes Payable, Other Payables [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate |  | 5.78% |  |  |
Debt Instrument, Face Amount |  | $ 50,000 |  |  |
Private placement, payable in equal installments beginning in 2017 through 2021 | Unsecured debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Long-term Debt |  | $ 40,000 | 60,000 |  |
Private placement, payable in equal installments beginning in 2017 through 2021 | Notes Payable, Other Payables [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate |  | 4.00% |  |  |
Debt Instrument, Face Amount |  | $ 100,000 |  |  |
Other notes and contracts | Secured debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Long-term Debt |  | 18,601 | 32,607 |  |
Notes Payable, Other Payables [Member] | Notes Payable, Other Payables [Member] | Revolving credit facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Notes payable |  | 1,330,550 | $ 1,437,264 |  |
Recourse loan commitments | Notes Payable, Other Payables [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Short-term bank loans and notes payable current borrowing capacity |  | 65,800 |  |  |
Notes payable |  | $ 42,300 |  |  |
Interest rate |  | 3.36% |  |  |
Short-Term Notes Payable, Surplus Funds Program [Member] | Notes Payable, Other Payables [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Notes payable |  | $ 63,800 |  |  |
Short-Term Notes Payable, Surplus Funds Program [Member] | Notes Payable, Other Payables [Member] | Minimum |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate |  | 0.35% |  |  |
Short-Term Notes Payable, Surplus Funds Program [Member] | Notes Payable, Other Payables [Member] | Maximum |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate |  | 1.40% |  |  |
Committed Term Loans, September 2015 [Member] | Secured debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt Instrument, Term | 10 years |  |  |  |
Debt Instrument, Face Amount |  | $ 600,000 |  |  |
Long-term Debt |  | $ 236,000 |  |  |

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