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Stock-Based Compensation (Deferred Stock) - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Jul. 17, 2021
Jan. 01, 2022
Jan. 02, 2021
Deferred Stock | Non Employee Directors | Annual Grants      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Aggregate shares elected to receive 66,550 13,491 51,840
Issuance of deferred stock awards (in shares)     17,100
Deferred Stock | Non Employee Directors | Annual Grants | Minimum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period     1 year
Deferred Stock Activity      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unrecognized compensation cost related to nonvested restricted stock granted by the EPIP   $ 0.6  
Expected weighted-average period to recognize compensation cost (years)   4 months 24 days  
Total fair value of shares vested   $ 1.5  
Retainer Conversion      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Retainers conversion into deferred shares   100.00%  
Vesting period   1 year  
Director Retainer Deferrals | Deferred Stock | Non Employee Directors | Omnibus Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Aggregate shares elected to receive   2,209