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Stock-Based Compensation - Schedule of valuation assumptions of RSUs and PSUs of Chief Executive Officer (Details) - $ / shares
12 Months Ended
Jan. 01, 2022
Jan. 02, 2021
Dec. 28, 2019
Sep. 03, 2019
Apr. 01, 2019
Stock Options [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Grant-date stock price $ 14.77 $ 4.64 $ 3.57    
Dividend yield 0.00% 0.00% 0.00%    
Expected volatility 61.70% 60.00% 48.60%    
Risk-free interest rate 1.00% 0.40% 2.30%    
Expected life (in years) 6 years 6 years 5 years 9 months 18 days    
Performance Share Units [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Grant-date stock price       $ 2.38 $ 3.36
CEO [Member] | Stock Options [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Grant-date stock price $ 3.36        
Exercise price $ 3.36        
Dividend yield 0.00%        
Expected volatility 47.90%        
Risk-free interest rate 2.40%        
Expected life (in years) 6 years 6 months        
CEO [Member] | Performance Share Units [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Grant-date stock price $ 3.36        
Dividend yield 0.00%        
Expected volatility 55.70%        
Risk-free interest rate 2.30%        
Expected life (in years) 1 year 9 months 18 days