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Stock-Based Compensation (Time-Based Restricted Stock Units) - Additional Information (Detail) - Time-Based Restricted Stock Units - USD ($)
$ / shares in Units, shares in Thousands, $ in Millions
9 Months Ended 12 Months Ended
May 23, 2019
Oct. 03, 2020
Dec. 28, 2019
Dec. 29, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Restricted shares issued   219    
Omnibus Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting date   --01-05    
Vesting period   3 years 3 years 3 years
Restricted shares issued 43   219 244
Fair Value per Share $ 23.08   $ 21.74 $ 18.29
Omnibus Plan | Chief Executive Officer        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Restricted stock granted $ 1.0      
Restricted shares issued 43,330      
Fair Value per Share $ 23.08      
Vesting term   This award will vest 100% on the fourth anniversary of the date of grant provided the CEO remains employed by the company during this period.  Vesting will also occur in the event of the CEO’s death or disability, but not his retirement if prior to the fourth anniversary of the grant date.