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Income Taxes
 6 Months Ended
Jul. 03, 2021
Income Tax Disclosure [Abstract]  
Income Taxes Income Taxes
The Corporation's tax provision for interim periods is determined using an estimate of its annual effective tax rate, adjusted for discrete items. The following table summarizes the Corporation's income tax provision (dollars in thousands):
Three Months EndedSix Months Ended
July 3,
2021		June 27,
2020		July 3,
2021		June 27,
2020
Income (loss) before income taxes$22,830 $12,899 $43,675 $(12,640)
Income taxes$5,418 $345 $11,245 $(1,299)
Effective tax rate23.7 %2.7 %25.7 %10.3 %

The Corporation's effective tax rate was higher in the three and six months ended July 3, 2021, compared to the same periods last year. The variance was driven by higher income and an improved full year 2021 income outlook, relative to the prior-year performance and full year outlook which was adversely impacted by the onset of the COVID-19 pandemic, resulting in asset impairment charges and other one-time costs recorded in the U.S. jurisdictions. These factors drove a greater rate benefit from tax credits in the prior-year periods.