Goodwill and Intangible Assets - Schedule of Intangible Assets (Detail) - USD ($) $ in Thousands	9 Months Ended
	Sep. 29, 2018	Dec. 30, 2017
Finite Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 23,016	$ 23,016
Accumulated Amortization	2,309	858
Net Carrying Value	$ 20,707	22,158
Tradenames [Member]
Finite Lived Intangible Assets [Line Items]
Weighted Average Amortization Period	14 years 1 month 6 days
Gross Carrying Value	$ 5,600	5,600
Accumulated Amortization	373	62
Net Carrying Value	$ 5,227	5,538
Customer Relationships [Member]
Finite Lived Intangible Assets [Line Items]
Weighted Average Amortization Period	9 years 6 months
Gross Carrying Value	$ 17,049	17,049
Accumulated Amortization	1,893	772
Net Carrying Value	$ 15,156	16,277
Technology [Member]
Finite Lived Intangible Assets [Line Items]
Weighted Average Amortization Period	13 years 3 months 18 days
Gross Carrying Value	$ 367	367
Accumulated Amortization	43	24
Net Carrying Value	$ 324	$ 343