Identified Intangible Assets and Goodwill, Net (Details) - USD ($) $ in Thousands	Jun. 29, 2024	Dec. 31, 2023	Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Identified intangible assets, gross	$ 68,420	$ 67,546
Accumulated amortization	50,013	47,332
Identified intangible assets, net	18,407	20,214
Goodwill	95,266	84,800	$ 70,107
Customer lists/relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Identified intangible assets, gross	41,541	41,679
Accumulated amortization	30,790	29,252
Employment-related [Member]
Finite-Lived Intangible Assets [Line Items]
Identified intangible assets, gross	13,612	13,007
Accumulated amortization	10,582	9,957
Tradenames [Member]
Finite-Lived Intangible Assets [Line Items]
Identified intangible assets, gross	13,267	12,860
Accumulated amortization	$ 8,641	$ 8,123