Fair Value of Financial Instruments - Additional Information (Detail) $ in Millions	9 Months Ended	12 Months Ended
	Oct. 09, 2021 USD ($) Distributor	Jan. 02, 2021 Distributor
Fair Value Disclosures [Line Items]
Number of independent distributors | Distributor	3,800	4,000
Percentage of down payment on distribution rights purchased	5.00%
Reserve for distributor notes receivable | $	$ 1.9
3.5% Senior Notes Due 2026
Fair Value Disclosures [Line Items]
Derivative, fixed interest rate	3.50%
Senior notes due year	2026
Maximum
Fair Value Disclosures [Line Items]
Financing period of distribution rights, years	10 years