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Basis of Presentation and General Information (Summary of Disaggregation of Total Revenue) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 27, 2024	Sep. 29, 2023	Sep. 27, 2024	Sep. 29, 2023
Disaggregation Of Revenue [Line Items]
Segment revenue	$ 79,777	$ 75,856	$ 234,620	$ 224,187
Global S&BT [Member]
Disaggregation Of Revenue [Line Items]
Segment revenue	44,065	43,798	127,219	129,765
Global S&BT [Member] | Consulting [Member] | North America [Member]
Disaggregation Of Revenue [Line Items]
Segment revenue	36,563	37,032	105,201	109,642
Global S&BT [Member] | Consulting [Member] | International [Member]
Disaggregation Of Revenue [Line Items]
Segment revenue	7,502	6,766	22,018	20,123
Oracle Solutions [Member]
Disaggregation Of Revenue [Line Items]
Segment revenue	22,759	20,831	67,533	58,774
Oracle Solutions [Member] | Consulting and Software Support and Maintenance [Member]
Disaggregation Of Revenue [Line Items]
Segment revenue	22,759	20,831	67,533	58,774
SAP Solutions [Member]
Disaggregation Of Revenue [Line Items]
Segment revenue	12,953	11,227	39,868	35,648
SAP Solutions [Member] | Consulting and Software Support and Maintenance [Member]
Disaggregation Of Revenue [Line Items]
Segment revenue	10,934	10,605	31,576	32,372
SAP Solutions [Member] | Software License Sales [Member]
Disaggregation Of Revenue [Line Items]
Segment revenue	$ 2,019	$ 622	$ 8,292	$ 3,276

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