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	Jun. 27, 2021	Dec. 27, 2020	Jun. 28, 2020
Derivatives, Fair Value [Line Items]
Net unrealized gains	$ (2.3)	$ (8.3)	$ 29.0
Foreign Exchange Forward | Prepaid expenses and other current assets
Derivatives, Fair Value [Line Items]
Unrealized gains	4.3	2.3	23.7
Unrealized losses	(3.1)	(1.6)	(1.0)
Net unrealized gains	1.2	0.7	22.7
Foreign Exchange Forward | Other assets
Derivatives, Fair Value [Line Items]
Unrealized gains	2.0	1.1	6.3
Unrealized losses	(0.3)	0.0	0.0
Net unrealized gains	1.7	1.1	6.3
Foreign Exchange Forward | Accrued liabilities
Derivatives, Fair Value [Line Items]
Unrealized gains	2.7	3.0	0.0
Unrealized losses	(7.8)	(12.9)	0.0
Net unrealized gains	(5.1)	(9.9)	0.0
Foreign Exchange Forward | Other liabilities
Derivatives, Fair Value [Line Items]
Unrealized gains	0.0	0.0	0.0
Unrealized losses	(0.1)	(0.2)	0.0
Net unrealized gains	$ (0.1)	$ (0.2)	$ 0.0