Reorganization Items, Net (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 25, 2020	Dec. 27, 2019
Reorganization Items, Net [Line Items]
Debtor Reorganization Items, Legal and Advisory Professional Fees	$ 405.6	$ 51.1
Debtor Reorganization Items, Write-off of Debt Issuance Costs and Debt Discounts	23.1	10.2
Debtor Reorganization Items, Other Expense (Income)	(0.5)	0.1
Reorganization items, net	(428.2)	61.4	$ 0.0
Cash Paid, Reorganization items	$ 333.1	$ 8.7