Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement.

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Amount of noncash expense for share-based payment arrangement.

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Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Percentage of vesting of award under share-based payment arrangement.

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Stock Option Plan (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
Stock Option Plan (Details) - USD ($) $ in Thousands	May 30, 2020	Feb. 29, 2020	Nov. 30, 2019	May 25, 2019	Feb. 23, 2019	Nov. 24, 2018	May 30, 2020	May 25, 2019
Share-based Compensation Arrangement by Share-based Payment Award
APIC, Share-based Payment Arrangement, Increase for Cost Recognition	$ 2,150	$ 2,122	$ 1,673	$ 1,444	$ 1,417	$ 1,061
Stock compensation expense	$ 2,200			$ 1,400			$ 5,945	$ 3,922
Performance Stock Units
Share-based Compensation Arrangement by Share-based Payment Award
Requisite service period							3 years
Performance Stock Units \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award
Performance stock vesting range							0.00%
Performance Stock Units \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award
Performance stock vesting range							200.00%