Summary of Significant Accounting Policies - Additional Information (Detail)	3 Months Ended		6 Months Ended		12 Months Ended
	Jul. 03, 2022 USD ($)	Jul. 04, 2021 USD ($)	Jul. 03, 2022 USD ($)	Jul. 04, 2021 USD ($)	Jan. 02, 2022 USD ($) Supplier	Jan. 03, 2021
Accounting Policies [Line Items]
Reporting period, minimum			364 days
Reporting period, maximum			371 days
Interim reporting periods			91 days	91 days
Concentration risk, suppliers | Supplier					700
Concentration risk, largest supplier | Supplier					20
Suppliers accounted for total purchases					36.80%
Vendor represented greater than of total purchases | Supplier					1
Number of performance obligation			one
Stored value card redemption revenue recognized	$ 1,500,000	$ 1,500,000	$ 3,300,000	$ 3,200,000
Outstanding stored value card liabilities	7,800,000		$ 7,800,000		$ 8,300,000
Stored value cards redeemed period			2 years
Impairment charges			$ 0	0	0
Merchandise [Member] | Accounting Standards Update 2014-09 | ASC 606 [Member]
Accounting Policies [Line Items]
Estimated right of return related to estimated sales returns			900,000		1,200,000
Allowance for sales returns reserve	1,900,000		1,900,000		$ 2,500,000
Stored Value Card Breakage Revenue [Member]
Accounting Policies [Line Items]
Recognized stored value card breakage revenue	$ 100,000	$ 100,000	$ 200,000	$ 200,000
Nike [Member]
Accounting Policies [Line Items]
Suppliers accounted for total purchases					7.60%
Percentage of vendors represented greater than of total purchases					5.00%
Suppliers accounted for total sales					8.70%
COVID-19 [Member]
Accounting Policies [Line Items]
Percentage of minimum number of retail store locations closed						50.00%