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Share-Based Payments - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions		12 Months Ended
	Oct. 07, 2020	Jan. 01, 2022	Jan. 02, 2021	Dec. 28, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Intrinsic value of share vested		$ 7.3	$ 5.3	$ 6.2
Tax deductions related to the exercise of stock option and vesting of restricted stock		$ 7.7	$ 5.9	$ 7.2
Stock purchase plan			300,000
Annual bonus for common stock, cash value percentage		120.00%
Share based payment share restriction period		24 months
Shares issued		15,778	3,443	8,087
Purchase price of common stock		95.00%
Stock warrant, outstanding and nonvested		3,914,833	4,349,817	0
Unrecognized cost related to non-vested warrants		$ 20.7
Non-vested warrants expensed as vesting conditions are satisfied over the remaining term		5 years 9 months 18 days
Warrant shares, vested and exercisable		1,522,439
Non-vested warrant shares, intrinsic value		$ 31.5
Vested warrant shares, intrinsic value		$ 12.2
Commercial Agreement [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Warrant shares vested upon signing contractual term	7 years
Estimated weighted average term	3 years 7 months 6 days
NV Investment Holdings [Member] \| Commercial Agreement [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Warrant to acquire number of securities, common stock shares	5,437,272
Exercise price	$ 17.7257
Warrants commercial supply agreement	$ 200.0
Right to purchase warrant, expiration date	Oct. 07, 2027
NV Investment Holdings [Member] \| Commercial Agreement [Member] \| Warrants One [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of warrants, outstanding and issuable shares	2.50%
Warrant to purchase number of securities, common stock shares vested	1,087,455
Warrants grant date fair value per share	$ 5.51
NV Investment Holdings [Member] \| Commercial Agreement [Member] \| Warrants Two [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of warrants, outstanding and issuable shares	10.00%
Warrants grant date fair value per share	$ 5.33
Stock warrant, outstanding and nonvested	4,349,817
Restricted Stock Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock option award period		3 years	4 years
Unrecognized compensation cost		$ 7.3
Unrecognized compensation cost, weighted average period of recognition		2 years 1 month 6 days
Restricted Stock Awards [Member] \| Board of Directors Chairman [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock option award period		1 year
2020 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares unissued		1,742,964
Associate Stock Purchase Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock purchase plan		200,000
Shares issued under associate stock purchase plan		182,733