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Goodwill and Other Intangible Assets (Notes) | 3 Months Ended
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Nov. 30, 2018
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill and Other Intangible Assets Disclosure [Text Block] | Goodwill and Other Intangible Assets Goodwill of $138.5 million is included in other assets on our Consolidated Balance Sheets as of November 30, 2018, and August 31, 2018. There were no changes in the net carrying amount of goodwill for the three months ended November 30, 2018. Intangible assets subject to amortization primarily include customer lists, trademarks and non-compete agreements, and are amortized over their respective useful lives (ranging from 2 to 30 years). Information regarding intangible assets that are included in other assets on our Consolidated Balance Sheets is as follows:
| 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 |
Total amortization expense for intangible assets during the three months ended November 30, 2018, and 2017, was $0.8 million and $0.9 million, respectively. The estimated annual amortization expense related to intangible assets subject to amortization for the next five years is as follows:
| (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 The entire disclosure for goodwill and intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -URI http://asc.fasb.org/topic&trid=2144416 + Details
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