Debt (Narrative) (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 30, 2022	Jun. 16, 2022
Debt Instrument
Debt Instrument, Face Amount	$ 3,523.1	$ 3,534.1
10.00% First Lien Senior Notes
Debt Instrument
Debt Instrument, Face Amount			$ 495.0
2017 Replacement Term Loan
Debt Instrument
Debt Instrument, Face Amount	1,365.4
2018 Replacement Term Loan
Debt Instrument
Debt Instrument, Face Amount	$ 362.5