Derivative Financial Instruments - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 25, 2020	Sep. 27, 2019	Sep. 25, 2020	Sep. 27, 2019	Dec. 27, 2019
Derivative [Line Items]
Derivative, Net Liability Position, Aggregate Fair Value	$ 61.6		$ 61.6
Price Risk Derivative Liabilities, at Fair Value	2.0		2.0		$ 0.0
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months			3.7
Cash Flow Hedge Gain (Loss) to be Reclassified during the next 8 years	(55.5)		(55.5)
Other (expense) income, net	(0.8)	$ (0.5)	$ (5.2)	$ 7.9
Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimate of Time to Transfer			8 years
Accounts payable and accrued expenses
Derivative [Line Items]
Price Risk Derivative Liabilities, at Fair Value	1.1		$ 1.1		0.0
Accounts payable and accrued expenses | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Price Risk Derivative Liabilities, at Fair Value	0.4		0.4
Other noncurrent liabilities
Derivative [Line Items]
Price Risk Derivative Liabilities, at Fair Value	0.9		0.9		$ 0.0
Prepaid expenses and other current assets | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Price Risk Derivative Liabilities, at Fair Value	0.7		0.7
Other noncurrent assets | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Price Risk Derivative Liabilities, at Fair Value	0.1		0.1
Interest Rate Contracts
Derivative [Line Items]
Notional amount	400.0		400.0
Interest Rate Contracts | 2024
Derivative [Line Items]
Notional amount	200.0		200.0
Interest Rate Contracts | 2028
Derivative [Line Items]
Notional amount	200.0		200.0
Fuel Hedges, 0.5% US Gulf Coast [Member] | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Other (expense) income, net	$ 0.8		$ 0.3