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Leases, Codification Topic 842 (Details) - USD ($) $ in Thousands | 12 Months Ended
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Aug. 31, 2021 | Aug. 31, 2020
Leases [Abstract] |  |
Finance Lease, Liability, Payments, Due Next Twelve Months | $ 8,517 |
Finance Lease, Liability, Payments, Due Year Two | 6,979 |
Finance Lease, Liability, Payments, Due Year Three | 4,217 |
Finance Lease, Liability, Payments, Due Year Four | 2,797 |
Finance Lease, Liability, Payments, Due Year Five | 2,387 |
Finance Lease, Liability, Payments, Due after Year Five | 19,557 |
Finance Lease, Liability, Payment, Due | 44,454 |
Finance Lease, Liability, Undiscounted Excess Amount | 8,420 |
Operating Leases, Future Minimum Payments, Next Rolling Twelve Months | 66,132 |
Operating Leases, Future Minimum Payments Receivable, in Four Years | 31,782 |
Operating Leases, Future Minimum Payments Receivable, in Five Years | 23,858 |
Operating Leases, Future Minimum Payments Receivable, Thereafter | 86,654 |
Lessee, Operating Lease, Liability, Payments, Due | 303,966 |
Lessee, Operating Lease, Liability, Undiscounted Excess Amount | 46,822 |
Operating Lease, Right-of-Use Asset | 253,451 | $ 257,834
Operating Lease, Expense | 73,489 | 71,541
Finance Lease, Right-of-Use Asset, Amortization | 8,065 | 8,205
Finance Lease, Interest Expense | 938 | 1,060
Short-term Lease, Cost | 16,955 | 15,991
Variable Lease, Cost | 2,300 | 3,674
Lease, Cost | $ 101,747 | $ 100,471
Operating Lease, Weighted Average Remaining Lease Term | 7 years 10 months 24 days | 8 years 3 months 18 days
Finance Lease, Weighted Average Remaining Lease Term | 10 years 3 months 18 days | 6 years
Operating Lease, Weighted Average Discount Rate, Percent | 3.01% | 3.11%
Finance Lease, Weighted Average Discount Rate, Percent | 3.50% | 3.33%
Operating Lease, Payments | $ 71,702 | $ 71,003
Finance Lease, Interest Payment on Liability | 938 | 1,060
Finance Lease, Principal Payments | 8,235 | 7,949
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability | 43,991 | 56,461
Right of Use Asset Modification | 27,664 | 7,333
2023 | 52,874 |
2024 | 42,666 |
Lessee, Lease, Description [Line Items] |  |
Operating Lease, Expense | 73,489 | 71,541
Finance Lease, Right-of-Use Asset, Amortization | 8,065 | 8,205
Finance Lease, Interest Expense | 938 | 1,060
Short-term Lease, Cost | 16,955 | 15,991
Variable Lease, Cost | 2,300 | 3,674
Lease, Cost | 101,747 | 100,471
Operating Lease, Right-of-Use Asset | $ 253,451 | $ 257,834
Operating Lease, Weighted Average Remaining Lease Term | 7 years 10 months 24 days | 8 years 3 months 18 days
Finance Lease, Weighted Average Remaining Lease Term | 10 years 3 months 18 days | 6 years
Operating Lease, Weighted Average Discount Rate, Percent | 3.01% | 3.11%
Finance Lease, Weighted Average Discount Rate, Percent | 3.50% | 3.33%
Operating Lease, Payments | $ 71,702 | $ 71,003
Finance Lease, Interest Payment on Liability | 938 | 1,060
Finance Lease, Principal Payments | 8,235 | 7,949
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability | 43,991 | 56,461
Right of Use Asset Modification | 27,664 | 7,333
Liabilities, Total |  |
Leases [Abstract] |  |
Operating Lease, Liability | 257,144 | 260,891
Lessee, Lease, Description [Line Items] |  |
Operating Lease, Liability | 257,144 | 260,891
Other Assets [Member] |  |
Leases [Abstract] |  |
Operating Lease, Right-of-Use Asset | 253,451 | 257,834
Lessee, Lease, Description [Line Items] |  |
Operating Lease, Right-of-Use Asset | 253,451 | 257,834
Property, Plant and Equipment |  |
Leases [Abstract] |  |
Finance Lease, Right-of-Use Asset | 48,625 | 44,860
Lessee, Lease, Description [Line Items] |  |
Finance Lease, Right-of-Use Asset | 48,625 | 44,860
Long-term debt |  |
Leases [Abstract] |  |
Finance Lease, Liability | 28,590 | 23,467
Lessee, Lease, Description [Line Items] |  |
Finance Lease, Liability | 28,590 | 23,467
Other Liabilities [Member] |  |
Leases [Abstract] |  |
Operating Lease, Liability | 200,720 | 203,691
Lessee, Lease, Description [Line Items] |  |
Operating Lease, Liability | 200,720 | 203,691
Accrued Liabilities [Member] |  |
Leases [Abstract] |  |
Operating Lease, Liability | 56,424 | 57,200
Lessee, Lease, Description [Line Items] |  |
Operating Lease, Liability | 56,424 | 57,200
current portion of long term debt |  |
Leases [Abstract] |  |
Finance Lease, Liability | 7,444 | 7,993
Lessee, Lease, Description [Line Items] |  |
Finance Lease, Liability | 7,444 | 7,993
Total Long-term Debt |  |
Leases [Abstract] |  |
Finance Lease, Liability | 36,034 | 31,460
Lessee, Lease, Description [Line Items] |  |
Finance Lease, Liability | $ 36,034 | $ 31,460

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