Basis of Presentation and General Information (Summary of Disaggregation of Total Revenue) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 26, 2026	Jun. 27, 2025	Jun. 26, 2026	Jun. 27, 2025
Disaggregation Of Revenue [Line Items]
Segment revenue	$ 69,328	$ 78,899	$ 138,125	$ 156,764
Global S&BT [Member]
Disaggregation Of Revenue [Line Items]
Segment revenue	36,036	44,205	72,811	87,562
Oracle Solutions [Member]
Disaggregation Of Revenue [Line Items]
Segment revenue	15,481	20,801	31,166	41,887
SAP Solutions [Member]
Disaggregation Of Revenue [Line Items]
Segment revenue	17,811	13,893	34,148	27,315
Consulting and Software Support and Maintenance [Member] \| Oracle Solutions [Member]
Disaggregation Of Revenue [Line Items]
Segment revenue	13,644	12,336	26,419	22,268
Consulting and Software Support and Maintenance [Member] \| SAP Solutions [Member]
Disaggregation Of Revenue [Line Items]
Segment revenue	15,481	20,801	31,166	41,887
Software-Related Sales [Member] \| SAP Solutions [Member]
Disaggregation Of Revenue [Line Items]
Segment revenue	4,167	1,557	7,729	5,047
North America [Member] \| Consulting [Member] \| Global S&BT [Member]
Disaggregation Of Revenue [Line Items]
Segment revenue	27,957	34,115	57,016	67,262
International [Member] \| Consulting [Member] \| Global S&BT [Member]
Disaggregation Of Revenue [Line Items]
Segment revenue	$ 8,079	$ 10,090	$ 15,795	$ 20,300