Severance And Separation Benefits (Details) $ in Thousands	3 Months Ended	12 Months Ended
Aug. 31, 2019 USD ($)	Aug. 31, 2019 USD ($) employee
Severance And Separation Benefits [Abstract]
Number of associates with accrued severance benefits \| employee		150
Severance and separation benefit charges	$ 6,725	$ 6,725
Stock compensation expense, accelerated vesting		337
Accrued severance and separation benefit charges		6,388
Cash payments		344
Severance and separation benefit balance	$ 6,044	$ 6,044

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

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The number of positions eliminated during the period as a result of restructuring activities.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

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Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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Amount of additional cost recognized for award under share-based payment arrangement from occurrence of event accelerating recognition of cost.

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