Leases - Summary of Balances Related to Lease Portfolio within Consolidated Statement of Operations (Parenthetical) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 29, 2019		Dec. 30, 2018	Dec. 31, 2017
Cost of Sales [Member]
Lessee Disclosure [Line Items]
Depreciation expense from capital leases	$ 1,414	[1]	$ 1,400	$ 1,400
Selling, Delivery and Administrative Expenses [Member]
Lessee Disclosure [Line Items]
Depreciation expense from capital leases	4,553	[1]	4,500	4,500
Interest Expense, Net [Member]
Lessee Disclosure [Line Items]
Interest expense on capital lease obligations	$ 2,714	[2]	$ 3,300	$ 3,900

[1] During both 2018 and 2017, the Company had depreciation expense from capital leases of $1.4 million and $4.5 million in cost of sales and SD&A expenses, respectively.

[2] The Company had interest expense on capital lease obligations of $3.3 million during 2018 and $3.9 million during 2017.