Goodwill and Intangible Assets - Schedule of Intangible Assets (Detail) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Dec. 30, 2017
Finite Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 23,016	$ 23,016
Accumulated Amortization	1,786	858
Net Carrying Value	$ 21,230	22,158
Tradenames [Member]
Finite Lived Intangible Assets [Line Items]
Weighted Average Amortization Period	14 years 3 months 18 days
Gross Carrying Value	$ 5,600	5,600
Accumulated Amortization	213	62
Net Carrying Value	$ 5,387	5,538
Customer Relationships [Member]
Finite Lived Intangible Assets [Line Items]
Weighted Average Amortization Period	9 years 7 months 6 days
Gross Carrying Value	$ 17,049	17,049
Accumulated Amortization	1,536	772
Net Carrying Value	$ 15,513	16,277
Technology [Member]
Finite Lived Intangible Assets [Line Items]
Weighted Average Amortization Period	13 years 6 months
Gross Carrying Value	$ 367	367
Accumulated Amortization	37	24
Net Carrying Value	$ 330	$ 343