Business Segment Information - Financial Information by Reportable Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 30, 2024	Apr. 01, 2023
Segment Reporting Information [Line Items]
Net Revenues	$ 190,847	$ 181,191
Segment Operating Income	12,622	6,372
Depreciation and Amortization Expenses	8,353	7,989
Capital Expenditures	4,745	4,981
Operating segments
Segment Reporting Information [Line Items]
Segment Operating Income	21,837	14,756
Segment reconciling items
Segment Reporting Information [Line Items]
Corporate General and Administrative Expenses	(9,215)	(8,384)
Corporate Administration
Segment Reporting Information [Line Items]
Depreciation and Amortization Expenses	59	59
Capital Expenditures	2,425	0
Electronic Systems
Segment Reporting Information [Line Items]
Net Revenues	107,539	105,626
Electronic Systems | Operating segments
Segment Reporting Information [Line Items]
Segment Operating Income	18,969	10,011
Depreciation and Amortization Expenses	3,632	3,498
Capital Expenditures	796	1,851
Structural Systems
Segment Reporting Information [Line Items]
Net Revenues	83,308	75,565
Structural Systems | Operating segments
Segment Reporting Information [Line Items]
Segment Operating Income	2,868	4,745
Depreciation and Amortization Expenses	4,662	4,432
Capital Expenditures	$ 1,524	$ 3,130