Acquisitions And Dispositions (Narrative) (Details) $ in Thousands, € in Millions						3 Months Ended		6 Months Ended		12 Months Ended
	Nov. 25, 2023 USD ($)	Nov. 15, 2023 USD ($) item	May 31, 2022 USD ($)	May 31, 2022 EUR (€)	Apr. 21, 2022 EUR (€)	Nov. 25, 2023 USD ($)	Nov. 26, 2022 USD ($)	Nov. 25, 2023 USD ($)	Nov. 26, 2022 USD ($)	May 27, 2023 USD ($)	May 27, 2023 EUR (€)	May 31, 2022 EUR (€)
Acquisitions And Dispositions [Line Items]
Revenue						$ 163,127	$ 200,355	$ 333,296	$ 404,417
Income (loss) from operations						8,352	$ 23,477	13,230	48,618
Acquisition costs						1,126		1,126
Goodwill	$ 217,034					217,034		$ 217,034		$ 206,722
Proceeds from dispositions of subsidiary									$ 2,984
CloudGo [Member]
Acquisitions And Dispositions [Line Items]
Interest acquired		100.00%
Cash consideration paid, net of cash acquired		$ 7,200
Cash acquired from acquisition		500
Contingent consideration, maximum		$ 12,000
Contingent consideration, number of measurement periods | item		2
Contingent consideration, duration of measurement periods		1 year
Contingent consideration liability, noncurrent		$ 4,500
Revenue	200
Income (loss) from operations	$ (100)
Acquisition costs						$ 1,100
Goodwill		$ 9,938
Identifiable intangible assets acquired, weighted average useful life		10 years 7 months 17 days
Customer Relationships [Member] | CloudGo [Member]
Acquisitions And Dispositions [Line Items]
Identifiable intangible assets acquired		$ 3,100
Identifiable intangible assets acquired, weighted average useful life		10 years 11 months 8 days
Customer Relationships [Member] | Minimum [Member] | CloudGo [Member]
Acquisitions And Dispositions [Line Items]
Intangible assets, useful lives		9 years
Customer Relationships [Member] | Maximum [Member] | CloudGo [Member]
Acquisitions And Dispositions [Line Items]
Intangible assets, useful lives		12 years
Tradenames [Member]
Acquisitions And Dispositions [Line Items]
Intangible assets, useful lives								1 year
Tradenames [Member] | CloudGo [Member]
Acquisitions And Dispositions [Line Items]
Identifiable intangible assets acquired		$ 100
Intangible assets, useful lives		1 year
Identifiable intangible assets acquired, weighted average useful life		1 year
Taskforce [Member]
Acquisitions And Dispositions [Line Items]
Disposition consideration			$ 6,000		€ 5.5							€ 5.5
Percent of consideration to be paid at closing					50.00%
Percent of consideration payable					50.00%
Proceeds from dispositions of subsidiary			3,000	€ 2.8
Receivable from disposition of business			$ 3,000									€ 2.7
Amount received of repayment on the note receivable										$ 3,000	€ 2.7
Gain on sale of business								$ 200
Taskforce [Member] | Purchasers [Member]
Acquisitions And Dispositions [Line Items]
Interest spread on variable rate					2.85%