Product Recall and Loss (Recovery) on Inferior Ingredients - Additional Information (Detail) $ in Thousands	3 Months Ended	12 Months Ended
	Jan. 02, 2021 USD ($) State	Jan. 01, 2022 USD ($) State	Jan. 02, 2021 USD ($) State	Dec. 28, 2019 USD ($)	Oct. 06, 2018 State
Product Recall And Recovery Loss On Inferior Ingredients [Line Items]
Products recalled distributed to retail customers, number of states | State	14	8	14		18
Product recall costs				$ 800
Incurred costs related to recall of gluten-free products and adjustment to previously recorded inferior yeast costs		$ 1,800	$ 1,300
Additional cost incurred to recall of gluten-free products		100
Cash recovered from suppliers on disruption	$ 1,200	$ 950	$ 1,150	$ 1,822
Selling, General and Administrative Expenses
Product Recall And Recovery Loss On Inferior Ingredients [Line Items]
Cash recovered from suppliers on disruption	$ 3,900