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Basis of Presentation and General Information (Summary of Disaggregation of Total Revenue) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 28, 2024	Jun. 30, 2023	Jun. 28, 2024	Jun. 30, 2023
Disaggregation Of Revenue [Line Items]
Segment revenue	$ 77,656	$ 77,102	$ 154,843	$ 148,331
Global S&BT [Member]
Disaggregation Of Revenue [Line Items]
Segment revenue	42,262	43,632	83,154	85,967
Global S&BT [Member] | Consulting [Member] | North America [Member]
Disaggregation Of Revenue [Line Items]
Segment revenue	34,948	36,444	68,638	72,611
Global S&BT [Member] | Consulting [Member] | International [Member]
Disaggregation Of Revenue [Line Items]
Segment revenue	7,314	7,188	14,516	13,356
Oracle Solutions [Member]
Disaggregation Of Revenue [Line Items]
Segment revenue	23,045	20,775	44,774	37,943
Oracle Solutions [Member] | Consulting and Software Support and Maintenance [Member]
Disaggregation Of Revenue [Line Items]
Segment revenue	23,045	20,775	44,774	37,943
SAP Solutions [Member]
Disaggregation Of Revenue [Line Items]
Segment revenue	12,349	12,695	26,915	24,421
SAP Solutions [Member] | Consulting and Software Support and Maintenance [Member]
Disaggregation Of Revenue [Line Items]
Segment revenue	10,806	11,054	20,642	21,767
SAP Solutions [Member] | Software License Sales [Member]
Disaggregation Of Revenue [Line Items]
Segment revenue	$ 1,543	$ 1,641	$ 6,273	$ 2,654

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