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Earnings (Loss) Per Share (Narrative) (Details) - shares
1 Months Ended 3 Months Ended
Feb. 22, 2021
Apr. 03, 2021
Mar. 28, 2020
Stock Options [Member]      
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]      
Antidilutive securities excluded from computation of earnings per share, amount   92,161 3,458,424
Stock options, restricted stock units and performance share units [Member]      
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]      
Antidilutive securities excluded from computation of earnings per share, amount   5,764,548 1,136,162
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     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]      
Series A Preferred Stock exchanged for common shares 12,633,427    
Percentage of issued and outstanding common shares on a post-exchange basis 12.30%    
Series B 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