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Derivatives, Investments, and Fair Value Measurements - Narrative (Details) - USD ($)	6 Months Ended
	Feb. 29, 2020	Feb. 23, 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	$ 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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Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Contractual interest rate for funds borrowed, under the debt agreement.

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- Definition

Nominal or face amount used to calculate payment on derivative.

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