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Intangible Assets And Goodwill (Summary Of Intangible Assets And Related Accumulated Amortization) (Details) - USD ($) $ in Thousands | 6 Months Ended |
--- | --- | ---
Nov. 28, 2020 | May 30, 2020
Finite-Lived Intangible Assets [Line Items] |  |
Gross | $ 36,011 | $ 31,798
Accumulated Amortization | (14,949) | (11,721)
Net | 21,062 | 20,077
Customer Contracts And Relationships [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross | 23,914 | 23,779
Accumulated Amortization | (8,435) | (6,707)
Net | $ 15,479 | 17,072
Customer Contracts And Relationships [Member] | Minimum [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, useful lives | 3 years |
Customer Contracts And Relationships [Member] | Maximum [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, useful lives | 8 years |
Tradenames [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross | $ 5,104 | 4,960
Accumulated Amortization | (3,420) | (2,735)
Net | $ 1,684 | 2,225
Tradenames [Member] | Minimum [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, useful lives | 3 years |
Tradenames [Member] | Maximum [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, useful lives | 10 years |
Backlog [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, useful lives | 17 months |
Gross | $ 1,210 | 1,210
Accumulated Amortization | (1,113) | (694)
Net | $ 97 | 516
Consultant List [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, useful lives | 3 years |
Gross | $ 838 | 776
Accumulated Amortization | $ (838) | (718)
Net |  | 58
Non-compete Agreements [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, useful lives | 3 years |
Gross | $ 957 | 888
Accumulated Amortization | (957) | (821)
Net |  | 67
Computer Software [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross | 3,988 | 185
Accumulated Amortization | (186) | (46)
Net | $ 3,802 | $ 139
Computer Software [Member] | Minimum [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, useful lives | 2 years |
Computer Software [Member] | Maximum [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, useful lives | 3 years 6 months |

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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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