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Summary Of Significant Accounting Policies (Narrative) (Details) | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Aug. 29, 2020 segment | May 28, 2022 USD ($) segment | May 29, 2021 USD ($) | May 30, 2020 USD ($) | Nov. 28, 2020 USD ($)
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Number of segments | segment | 1 | 3 |  |  |
Direct cost of services, primarily payroll and related taxes for professional services employees |  | $ 488,376,000 | $ 388,112,000 | $ 427,870,000 |
Revenue |  | 805,018,000 | 629,516,000 | 703,353,000 |
Contingent consideration liability |  | 0 | 7,100,000 |  |
Asset impairment charges |  | 833,000 | 935,000 | 649,000 |
Goodwill impairment |  | 0 | 0 | 0 | $ 0
Reimbursements [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Revenue |  | 4,100,000 | 3,200,000 | 9,400,000 |
Sales Commissions [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Direct cost of services, primarily payroll and related taxes for professional services employees |  | $ 6,800,000 | $ 5,900,000 | $ 6,300,000 |
Conversion Fees [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Revenue percentage |  | 0.30% | 0.30% | 0.40% |
Permanent Placement Fees [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Revenue percentage |  | 0.60% | 0.60% | 0.60% |
Minimum [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Intangible assets, useful lives |  | 2 years |  |  |
Vesting period |  | 3 years |  |  |
Maximum [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Intangible assets, useful lives |  | 10 years |  |  |
Vesting period |  | 4 years |  |  |

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