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Shareholders' Equity - Narratives (Details)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 26, 2021
USD ($)
shares
Sep. 26, 2021
USD ($)
shares
Equity [Abstract]    
Purchase of own shares (in shares) 88,734 126,734
Shares acquired and retired, value | $ $ 1.9  
Shares acquired, value | $ $ 1.5 $ 2.8
Shares cancelled (in shares)   56,000
Shares retained (in shares) 70,374 70,374