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Earnings Per Share (Narrative) (Details) - shares
3 Months Ended
Mar. 28, 2020
Mar. 30, 2019
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 11,333,333
Options Held [Member]    
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 3,458,424 2,566,321