Employee Benefit Plans - Additional Information (Detail) - USD ($) $ in Millions		12 Months Ended
	May 22, 2019	Jan. 01, 2022	Jan. 02, 2021	Dec. 28, 2019
Defined Benefit Plan Disclosure [Line Items]
Age of employees		401(k) plan covering substantially all employees 18 years of age or older who have at least three months of service.
Service period required		3 months
Employee's contribution		80.00%
Matching contribution		3.00%	3.00%	3.00%
Vesting rate		20.00%
Requisite hours of work		at least 1,000 hours
Recognized employee benefit		$ 4.5	$ 3.3	$ 2.9
2019 Employee Stock Purchase Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Common stock issued under ESPP, Shares	700,000	70,414
2019 Employee Stock Purchase Plan [Member] | Minimum [Member]
Defined Benefit Plan Disclosure [Line Items]
Purchase price of common stock as percentage of fair market value	85.00%