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Performance-Contingent Restricted Stock Awards (Detail) - USD ($)
$ in Thousands
12 Months Ended
Jan. 01, 2022
Jan. 02, 2021
Dec. 28, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Dividends at vesting $ 234 $ 109 $ 1,361
Fiscal Year Vested 2019 | 2017 Award Granted      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Dividends at vesting 1,219    
Income tax benefit/(expense) related to share-based payments 936    
Fair value at vesting $ 18,570    
Total Shareholders Return | Fiscal Year Vested 2019 | 2017 Award Granted      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares increase/(decrease) 205,686    
Return On Invested Capital | Fiscal Year Vested 2019 | 2017 Award Granted      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares increase/(decrease) (97,131)