Income Taxes (Schedule of Income Taxes Payable) (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 25, 2020
Operating Loss Carryforwards [Line Items]
Other income tax liabilities	$ 83.2	$ 100.1
Total income taxes payable	84.9	126.6
Accrued and Other Current Liabilities
Operating Loss Carryforwards [Line Items]
Accrued and other current liabilities	1.7	26.5
Other Income Tax Liabilities
Operating Loss Carryforwards [Line Items]
Other income tax liabilities	$ 83.2	$ 100.1