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Derivative Financial Instruments - Narrative (Details) - Foreign Exchange Forward - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 26, 2021
Sep. 27, 2020
Sep. 26, 2021
Sep. 27, 2020
Dec. 27, 2020
Fair Value Hedging          
Derivative [Line Items]          
Net gains (losses) on derivative $ 3.6 $ (6.9) $ 2.9 $ (20.1)  
Not Designated as Hedging Instrument          
Derivative [Line Items]          
Notional amount $ 663.2 $ 538.9 $ 663.2 $ 538.9 $ 590.6