Goodwill and Intangible Assets - Schedule of Intangible Assets (Detail) - USD ($) $ in Thousands	9 Months Ended
	Sep. 28, 2019	Dec. 29, 2018
Finite Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 27,117	$ 28,327
Accumulated Amortization	5,143	3,163
Net Carrying Value	$ 21,974	25,164
Tradenames [Member]
Finite Lived Intangible Assets [Line Items]
Weighted Average Amortization Period	12 years 6 months
Gross Carrying Value	$ 6,060	7,590
Accumulated Amortization	858	516
Net Carrying Value	$ 5,202	7,074
Customer Relationships [Member]
Finite Lived Intangible Assets [Line Items]
Weighted Average Amortization Period	8 years 2 months 12 days
Gross Carrying Value	$ 20,450	20,130
Accumulated Amortization	4,166	2,582
Net Carrying Value	$ 16,284	17,548
Technology [Member]
Finite Lived Intangible Assets [Line Items]
Weighted Average Amortization Period	12 years 3 months 18 days
Gross Carrying Value	$ 367	367
Accumulated Amortization	67	49
Net Carrying Value	$ 300	318
Other [Member]
Finite Lived Intangible Assets [Line Items]
Weighted Average Amortization Period	3 years 10 months 24 days
Gross Carrying Value	$ 240	240
Accumulated Amortization	52	16
Net Carrying Value	$ 188	$ 224