Fair Value Measurements - Schedule of Book Value and Estimated Fair Value of Debt Instruments, Excluding Debt Financing Costs (Detail) - USD ($) $ in Thousands	Oct. 09, 2021	Jan. 02, 2021
Book value of debt instruments, excluding debt financing costs:
Current maturities of long-term debt and finance lease liabilities	$ 5,680	$ 5,135
Long-term debt and finance lease liabilities	401,517	485,381
Total book value of debt instruments	407,197	490,516
Fair value of debt instruments, excluding debt financing costs	412,680	497,941
Excess of fair value over book value	$ 5,483	$ 7,425

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Name:	us-gaap_DebtInstrumentCarryingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant