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Income Taxes (Details)
£ in Millions, $ in Millions
3 Months Ended 9 Months Ended
Oct. 02, 2021
USD ($)
Sep. 26, 2020
Oct. 02, 2021
GBP (£)
Sep. 26, 2020
Income Tax Disclosure [Abstract]        
Effective tax rate (as a percent) 14.80% 28.20% 22.00% 27.50%
Distributed foreign earnings | £     £ 12.0  
Deferred tax liability recognized, undistributed foreign earnings | $ $ 0.3