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Derivatives, Investments, and Fair Value Measurements - Narrative (Details) - USD ($) | 3 Months Ended |  |
--- | --- | --- | ---
Nov. 30, 2019 | Aug. 31, 2019 | Jan. 23, 2017
Fair Value, Nonrecurring |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Asset impairment charges | $ 0 |  |
Term Loan |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Debt amount |  |  | $ 300,000,000.0
Term Loan | Interest Rate Swap |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Notional amount |  | $ 120,000,000.0 |
Interest rate, stated percentage |  | 5.32% |

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