Non-debtor Entity Intercompany Balances (Details) - USD ($) $ in Millions	Jun. 25, 2021	Dec. 25, 2020
Schedule of Non-debtor Entity Intercompany Balances [Line Items]
Non-Debtor Intercompany Receivables From Debtor Entities	$ 143.0	$ 282.3
Non-Debtor Intercompany Payables to Debtor Entities	$ 116.4	$ 120.3