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Earnings (Loss) Per Share (Narrative) (Details) - shares
 1 Months Ended 12 Months Ended
Feb. 22, 2021
Jan. 01, 2022
Jan. 02, 2021
Dec. 28, 2019
Stock options, RSUs, and certain contingently issuable PSUs [Member]        
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]        
Antidilutive securities excluded from computation of earnings per share, amount   2,889,014 2,305,630 370,670
Stock options and RSUs [Member]        
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]        
Antidilutive securities excluded from computation of earnings per share, amount   347,236 1,913,751 3,528,899
Series B-1 Preferred Stock [Member]        
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]        
Common shares issuable on an if-converted basis adjusted to diluted EPS   12,178,667 12,178,667  
Series A Preferred Stock [Member]        
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]        
Common shares issuable on an if-converted basis adjusted to diluted EPS     12,633,427 11,333,333
Series A Preferred Stock [Member] | Oaktree Capital Management L.P. [Member]        
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]        
Exchange of Series A preferred stock, net of share issuance costs of $287 (in shares) 12,633,427      
Percentage of issued and outstanding common shares on a post-exchange basis 12.30%