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Goodwill and Other Intangible Assets (Tables) | 3 Months Ended
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Nov. 30, 2018
Finite-Lived Intangible Assets [Line Items] |
Schedule of Intangible Assets and Goodwill [Table Text Block] |
| November 30, 2018 |  | August 31, 2018
| Gross Carrying Amount |  | Accumulated Amortization |  | Net |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net
| (Dollars in thousands)
Customer lists | $ | 40,815 |  |  | $ | (13,791 | ) |  | $ | 27,024 |  |  | $ | 40,815 |  |  | $ | (13,082 | ) |  | $ | 27,733 |
Trademarks and other intangible assets | 6,536 |  |  | (4,990 | ) |  | 1,546 |  |  | 6,536 |  |  | (4,931 | ) |  | 1,605 |
Total intangible assets | $ | 47,351 |  |  | $ | (18,781 | ) |  | $ | 28,570 |  |  | $ | 47,351 |  |  | $ | (18,013 | ) |  | $ | 29,338 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense |
| (Dollars in thousands)
Year 1 | $ | 3,070 |
Year 2 | 2,991 |
Year 3 | 2,933 |
Year 4 | 2,751 |
Year 5 | 2,667 |

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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