Goodwill and Other Intangible Assets - Software and Other Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 28, 2019	Dec. 29, 2018
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 40,718	$ 34,874
Accumulated Amortization	23,826	20,193
Net Carrying Amount	16,892	14,681
Customer & supplier relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	25,551	23,686
Accumulated Amortization	13,886	11,445
Net Carrying Amount	$ 11,665	12,241
Software, estimated useful life	11 years
Software
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 8,093	5,040
Accumulated Amortization	4,887	4,094
Net Carrying Amount	$ 3,206	946
Software, estimated useful life	9 years
Patents, formulae, and licenses
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 1,769	1,769
Accumulated Amortization	774	708
Net Carrying Amount	$ 995	1,061
Software, estimated useful life	15 years
Non-compete agreements
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 3,603	2,937
Accumulated Amortization	3,068	2,904
Net Carrying Amount	$ 535	33
Software, estimated useful life	5 years
Other
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 1,702	1,442
Accumulated Amortization	1,211	1,042
Net Carrying Amount	$ 491	$ 400
Software, estimated useful life	7 years