Goodwill and Intangible Assets - Schedule of Intangible Assets (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 29, 2018	Dec. 30, 2017
Finite Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 28,327	$ 23,016
Accumulated Amortization	3,163	858
Net Carrying Value	$ 25,164	22,158
Tradenames [Member]
Finite Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (years)	14 years 1 month 6 days
Gross Carrying Value	$ 7,590	5,600
Accumulated Amortization	516	62
Net Carrying Value	$ 7,074	5,538
Customer Relationships [Member]
Finite Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (years)	8 years 10 months 24 days
Gross Carrying Value	$ 20,130	17,049
Accumulated Amortization	2,582	772
Net Carrying Value	$ 17,548	16,277
Technology [Member]
Finite Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (years)	13 years
Gross Carrying Value	$ 367	367
Accumulated Amortization	49	24
Net Carrying Value	$ 318	$ 343
Other [Member]
Finite Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (years)	4 years 8 months 12 days
Gross Carrying Value	$ 240
Accumulated Amortization	16
Net Carrying Value	$ 224