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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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Description of the Company - Additional Information (Details) $ in Thousands	12 Months Ended
	May 29, 2021 USD ($) Segment	May 30, 2020 USD ($)	Jun. 01, 2019
Concentration Risk [Line Items]
Number of operating segments \| Segment	3
Number of reportable segments \| Segment	3
Supplier concentration accounts payable \| $	$ 16,979	$ 17,372
Customer Concentration \| Accounts Receivable \| Maximum
Concentration Risk [Line Items]
Concentration (percent)	10.00%	10.00%
Customer Concentration \| Sales \| Maximum
Concentration Risk [Line Items]
Concentration (percent)	10.00%	10.00%	10.00%
Supplier Concentration
Concentration Risk [Line Items]
Supplier concentration accounts payable \| $	$ 2,100	$ 1,300
Supplier Concentration \| Cost of Sales
Concentration Risk [Line Items]
Concentration (percent)	15.00%	16.00%	11.00%