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Intangible Assets And Goodwill (Narrative) (Details) - USD ($)	12 Months Ended
	May 28, 2022	May 29, 2021	May 30, 2020	Nov. 28, 2020
Finite Lived Intangible Assets [Line Items]
Weighted average useful life	5 years 8 months 12 days
Amortization expense	$ 4,908,000	$ 5,228,000	$ 5,745,000
Goodwill impairment	$ 0	$ 0	$ 0	$ 0
Customer Contracts And Relationships [Member]
Finite Lived Intangible Assets [Line Items]
Weighted average useful life	7 years 7 months 6 days
Tradenames [Member]
Finite Lived Intangible Assets [Line Items]
Weighted average useful life	3 years
Backlog [Member]
Finite Lived Intangible Assets [Line Items]
Weighted average useful life	1 year 4 months 24 days
Computer Software [Member]
Finite Lived Intangible Assets [Line Items]
Weighted average useful life	3 years 3 months 18 days

X

- Definition

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
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- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

+ References

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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.

+ References

No definition available.

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Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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