Basis of Presentation and General Information (Summary of Disaggregation of Total Revenue) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 27, 2025	Jun. 28, 2024	Jun. 27, 2025	Jun. 28, 2024
Disaggregation Of Revenue [Line Items]
Segment revenue	$ 78,899	$ 77,656	$ 156,764	$ 154,843
Global S&BT [Member]
Disaggregation Of Revenue [Line Items]
Segment revenue	44,205	42,262	87,562	83,154
Global S&BT [Member] | Consulting [Member] | North America [Member]
Disaggregation Of Revenue [Line Items]
Segment revenue	34,115	34,948	67,262	68,638
Global S&BT [Member] | Consulting [Member] | International [Member]
Disaggregation Of Revenue [Line Items]
Segment revenue	10,090	7,314	20,300	14,516
Oracle Solutions [Member]
Disaggregation Of Revenue [Line Items]
Segment revenue	20,801	23,045	41,887	44,774
Oracle Solutions [Member] | Consulting and Software Support and Maintenance [Member]
Disaggregation Of Revenue [Line Items]
Segment revenue	20,801	23,045	41,887	44,774
SAP Solutions [Member]
Disaggregation Of Revenue [Line Items]
Segment revenue	13,893	12,349	27,315	26,915
SAP Solutions [Member] | Consulting and Software Support and Maintenance [Member]
Disaggregation Of Revenue [Line Items]
Segment revenue	12,336	10,806	22,268	20,642
SAP Solutions [Member] | Software-related sales [Member]
Disaggregation Of Revenue [Line Items]
Segment revenue	$ 1,557	$ 1,543	$ 5,047	$ 6,273