Fresh-Start Accounting (Details) - USD ($) $ in Millions	Dec. 29, 2023	Nov. 14, 2023	Dec. 30, 2022	Jun. 16, 2022
Reorganizations [Abstract]
Enterprise Value		$ 2,950.0		$ 5,223.0
Reorganization, Chapter 11 [Line Items]
Enterprise Value		2,950.0		5,223.0
Fair Value, Measurements, Recurring
Reorganization, Chapter 11 [Line Items]
Contingent consideration	$ 14.7	15.0	$ 7.3
Reorganization, Chapter 11, Plan Effect Adjustment
Reorganization, Chapter 11 [Line Items]
Derivative Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Long-term debt
Contingent consideration				(41.8)
Minimum
Reorganizations [Abstract]
Enterprise Value		2,700.0		5,200.0
Reorganization, Chapter 11 [Line Items]
Enterprise Value		2,700.0		5,200.0
Minimum | Equity
Reorganizations [Abstract]
Enterprise Value		1,110.0		563.0
Reorganization, Chapter 11 [Line Items]
Enterprise Value		1,110.0		563.0
Maximum
Reorganizations [Abstract]
Enterprise Value		3,200.0		5,700.0
Reorganization, Chapter 11 [Line Items]
Enterprise Value		3,200.0		5,700.0
Maximum | Equity
Reorganizations [Abstract]
Enterprise Value		1,610.0		1,063.0
Reorganization, Chapter 11 [Line Items]
Enterprise Value		1,610.0		1,063.0
Median
Reorganizations [Abstract]
Enterprise Value		2,950.0		5,450.0
Reorganization, Chapter 11 [Line Items]
Enterprise Value		2,950.0		5,450.0
Median | Equity
Reorganizations [Abstract]
Enterprise Value		1,360.0		813.0
Reorganization, Chapter 11 [Line Items]
Enterprise Value		$ 1,360.0		$ 813.0