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Income Taxes (Tables)
9 Months Ended
Sep. 26, 2020
Income Tax Disclosure [Abstract]  
Schedule of Income Tax Provision The following table summarizes the Corporation's income tax provision (dollars in thousands):
Three Months EndedNine Months Ended
September 26,
2020
September 28,
2019
September 26,
2020
September 28,
2019
Income before income taxes$37,245 $58,451 $24,605 $80,786 
Income taxes$6,558 $12,375 $5,259 $17,878 
Effective tax rate17.6 %21.2 %21.4 %22.1 %