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Basis of Presentation and General Information (Summary of Disaggregation of Total Revenue) (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 27, 2024 | Sep. 27, 2024 | Jun. 28, 2024 | Mar. 29, 2024 | Dec. 29, 2023 | Sep. 29, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Dec. 27, 2024 | Dec. 29, 2023 | Dec. 30, 2022
Disaggregation Of Revenue [Line Items] |  |  |  |  |  |  |  |  |  |  |
Segment revenue | $ 79,235 | $ 79,777 | $ 77,656 | $ 77,187 | $ 72,403 | $ 75,856 | $ 77,102 | $ 71,229 | $ 313,855 | $ 296,590 | $ 293,742
Global S&BT [Member] |  |  |  |  |  |  |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |  |  |  |  |  |  |
Segment revenue |  |  |  |  |  |  |  |  | 171,096 | 171,927 | 169,660
Oracle Solutions [Member] |  |  |  |  |  |  |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |  |  |  |  |  |  |
Segment revenue |  |  |  |  |  |  |  |  | 85,707 | 77,772 | 76,320
SAP Solutions [Member] |  |  |  |  |  |  |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |  |  |  |  |  |  |
Segment revenue |  |  |  |  |  |  |  |  | 57,052 | 46,891 | 47,762
Consulting and Software Support and Maintenance [Member] | Oracle Solutions [Member] |  |  |  |  |  |  |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |  |  |  |  |  |  |
Segment revenue |  |  |  |  |  |  |  |  | 85,707 | 77,772 | 76,320
Consulting and Software Support and Maintenance [Member] | SAP Solutions [Member] |  |  |  |  |  |  |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |  |  |  |  |  |  |
Segment revenue |  |  |  |  |  |  |  |  | 41,912 | 41,324 | 40,729
Software License Sales [Member] | SAP Solutions [Member] |  |  |  |  |  |  |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |  |  |  |  |  |  |
Segment revenue |  |  |  |  |  |  |  |  | 15,140 | 5,567 | 7,033
North America [Member] | Consulting [Member] | Global S&BT [Member] |  |  |  |  |  |  |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |  |  |  |  |  |  |
Segment revenue |  |  |  |  |  |  |  |  | 139,022 | 144,960 | 143,956
International [Member] | Consulting [Member] | Global S&BT [Member] |  |  |  |  |  |  |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |  |  |  |  |  |  |
Segment revenue |  |  |  |  |  |  |  |  | $ 32,074 | $ 26,967 | $ 25,704

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