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Other Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands | Aug. 31, 2018 | Aug. 31, 2017
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Finite-Lived Intangible Assets [Line Items] |  |
Carrying Amount | $ 47,351 | $ 69,803
Accumulated Amortization | (18,013) | (36,473)
Net | 29,338 | 33,330
Customer lists |  |
Finite-Lived Intangible Assets [Line Items] |  |
Carrying Amount | 40,815 | 46,180
Accumulated Amortization | (13,082) | (14,695)
Net | 27,733 | 31,485
Trademarks and other intangible assets |  |
Finite-Lived Intangible Assets [Line Items] |  |
Carrying Amount | 6,536 | 23,623
Accumulated Amortization | (4,931) | (21,778)
Net | $ 1,605 | $ 1,845

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