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Other Assets (Tables)
 12 Months Ended
Aug. 31, 2022
Other Assets [Abstract]  
Schedule of Other Assets Other assets as of August 31, 2022 and 2021, are as follows:
20222021
 (Dollars in thousands)
Goodwill$179,976 $171,601 
Customer lists, trademarks and other intangible assets53,165 58,395 
Notes receivable (Note 3)46,012 73,713 
Long-term derivative assets (Note 15)8,546 21,567 
Prepaid pension and other benefits (Note 13)74,810 119,825 
Capitalized major maintenance147,521 196,641 
Cash value life insurance128,876 147,682 
Operating lease right of use assets (Note 19)242,859 253,451 
Other92,230 55,333 
Total other assets$973,995 $1,098,208 
Changes in the Net Carrying Amount of Goodwill
EnergyAgCorporate
and Other		Total
(Dollars in thousands)
Balances, August 31, 2020$552 $161,278 $10,574 $172,404 
Goodwill disposed of during the period— (803)— (803)
Balances, August 31, 2021552 160,475 10,574 171,601 
Goodwill acquired during the period8,906 — — 8,906 
Goodwill disposed of during the period— (531)— (531)
Balances, August 31, 2022$9,458 $159,944 $10,574 $179,976 
Schedule of Intangible Assets included in Other Assets Information regarding intangible assets is as follows:
August 31, 2022August 31, 2021
Carrying AmountAccumulated AmortizationNetCarrying AmountAccumulated AmortizationNet
(Dollars in thousands)
Customer lists$84,565 $(35,280)$49,285 $84,565 $(29,254)$55,311 
Trademarks and other intangible assets11,902 (8,022)3,880 10,425 (7,341)3,084 
Total intangible assets$96,467 $(43,302)$53,165 $94,990 $(36,595)$58,395 
Estimated Amortization Expense Related to Intangible Assets Subject to Amortization The estimated annual amortization expense related to intangible assets subject to amortization for future years is as follows:
(Dollars in thousands)
2023$6,730 
20246,680 
20256,463 
20266,282 
20276,226 
Thereafter20,784 
Total $53,165 
Activity Related to Capitalized Major Maintenance Costs at Refineries Activity related to capitalized major maintenance costs at our refineries for the years ended August 31, 2022, 2021 and 2020, is summarized below:
Balance at
Beginning
of Year		Cost
Deferred		AmortizationBalance at
End of Year
 (Dollars in thousands)
2022$196,641 $25,401 $(74,521)$147,521 
2021228,511 41,899 (73,769)196,641 
2020286,890 14,496 (72,875)228,511