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Financial Instruments - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 27, 2021
Dec. 26, 2020
Derivative [Line Items]    
Restricted cash in other current assets as collateral related to open derivative contracts $ 18.6 $ 7.6
Commodity Contracts [Member]    
Derivative [Line Items]    
Deferred net gains (losses), net of tax, included in AOCI 1.3  
Cash Flow Hedging [Member] | Commodity Contracts [Member] | Long [Member]    
Derivative [Line Items]    
Open option contracts written, at fair value $ 21.2  
Time period for open copper future contract purchases 14 months  
Fair value of future contracts with net gain (loss) position $ 1.9  
Fair Value Hedging [Member] | Commodity Contracts [Member] | Short [Member]    
Derivative [Line Items]    
Fair value of future contracts with net gain (loss) position (14.6)  
Open future contracts to sell copper $ 70.8  
Time period for open copper future contract sales 6 months