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Derivative Financial Instruments - Schedule of Foreign Currency Forward Contracts Designated as Cash Flow Hedges (Details) - Cash Flow Hedging - Designated as Hedging Instrument - USD ($)
$ in Millions
Mar. 28, 2021
Dec. 27, 2020
Mar. 29, 2020
Derivatives, Fair Value [Line Items]      
Net unrealized gains $ 1.2 $ (8.3) $ 43.7
Foreign Exchange Forward | Prepaid expenses and other current assets      
Derivatives, Fair Value [Line Items]      
Unrealized gains 8.4 2.3 40.4
Unrealized losses (4.4) (1.6) (1.9)
Net unrealized gains 4.0 0.7 38.5
Foreign Exchange Forward | Other assets      
Derivatives, Fair Value [Line Items]      
Unrealized gains 1.8 1.1 7.1
Unrealized losses (0.2) 0.0 0.0
Net unrealized gains 1.6 1.1 7.1
Foreign Exchange Forward | Accrued liabilities      
Derivatives, Fair Value [Line Items]      
Unrealized gains 1.7 3.0 0.0
Unrealized losses (5.9) (12.9) (2.0)
Net unrealized gains (4.2) (9.9) (2.0)
Foreign Exchange Forward | Other liabilities      
Derivatives, Fair Value [Line Items]      
Unrealized gains 0.0 0.0 0.0
Unrealized losses (0.2) (0.2) 0.0
Net unrealized gains $ (0.2) $ (0.2) $ 0.0