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Other Assets (Tables) | 12 Months Ended
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Aug. 31, 2019
Other Assets [Abstract] |
Schedule of Other Assets | Other assets as of August 31, 2019 and 2018, are as follows:
| 2019 |  | 2018
| (Dollars in thousands)
Goodwill | $ | 172,404 |  |  | $ | 138,464 |
Customer lists, trademarks and other intangible assets | 71,206 |  |  | 29,338 |
Notes receivable | 189,045 |  |  | 211,986 |
Long-term derivative assets | 36,408 |  |  | 23,084 |
Prepaid pension and other benefits | 73,100 |  |  | 101,539 |
Capitalized major maintenance | 286,890 |  |  | 130,780 |
Cash value life insurance | 122,792 |  |  | 123,010 |
Other | 60,350 |  |  | 76,128 |
Total other assets | $ | 1,012,195 |  |  | $ | 834,329 |
Changes in the Net Carrying Amount of Goodwill | Changes in the net carrying amount of goodwill for the years ended August 31, 2019 and 2018, by segment, are as follows:
| Energy |  | Ag |  | Corporate and Other |  | Total
| (Dollars in thousands)
Balances, August 31, 2017 | $ | 552 |  |  | $ | 127,328 |  |  | $ | 10,574 |  |  | $ | 138,454 |
Effect of foreign currency translation adjustments | — |  |  | 10 |  |  | — |  |  | 10 |
Balances, August 31, 2018 | 552 |  |  | 127,338 |  |  | 10,574 |  |  | 138,464 |
Goodwill acquired during the period | — |  |  | 61,358 |  |  | — |  |  | 61,358 |
Impairment | — |  |  | (27,418 | ) |  | — |  |  | (27,418 | )
Balances, August 31, 2019 | $ | 552 |  |  | $ | 161,278 |  |  | $ | 10,574 |  |  | $ | 172,404 |
Schedule of Intangible Assets included in Other Assets | Information regarding intangible assets included in other assets on our Consolidated Balance Sheets is as follows:
| August 31, 2019 |  | August 31, 2018
| Carrying Amount |  | Accumulated Amortization |  | Net |  | Carrying Amount |  | Accumulated Amortization |  | Net
| (Dollars in thousands)
Customer lists | $ | 84,815 |  |  | $ | (17,609 | ) |  | $ | 67,206 |  |  | $ | 40,815 |  |  | $ | (13,082 | ) |  | $ | 27,733 |
Trademarks and other intangible assets | 9,736 |  |  | (5,736 | ) |  | 4,000 |  |  | 6,536 |  |  | (4,931 | ) |  | 1,605 |
Total intangible assets | $ | 94,551 |  |  | $ | (23,345 | ) |  | $ | 71,206 |  |  | $ | 47,351 |  |  | $ | (18,013 | ) |  | $ | 29,338 |
Estimated Amortization Expense Related to Intangible Assets Subject to Amortization | The estimated annual amortization expense related to intangible assets subject to amortization for the next five years is as follows:
| (Dollars in thousands)
2020 | $ | 5,271 |
2021 | 4,874 |
2022 | 4,706 |
2023 | 4,576 |
2024 | 4,576 |
Thereafter | 47,107 |
Total | $ | 71,110 |
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, 2019, 2018 and 2017, is summarized below:
| Balance at Beginning of Year |  | Cost Deferred |  | Amortization |  | Balance at End of Year
| (Dollars in thousands)
2019 | $ | 130,780 |  |  | $ | 224,406 |  |  | $ | (68,296 | ) |  | $ | 286,890 |
2018 | 105,006 |  |  | 87,460 |  |  | (61,686 | ) |  | 130,780 |
2017 | 169,054 |  |  | 3,010 |  |  | (67,058 | ) |  | 105,006 |

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- Definition Tabular disclosure of the amounts paid in advance for capitalized costs that will be expensed with the passage of time or the occurrence of a triggering event, and will be charged against earnings within one year or the normal operating cycle, if longer; the aggregate carrying amount of current assets, not separately presented elsewhere in the balance sheet; and other deferred costs. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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