Leases (Details) - USD ($) $ in Millions	1 Months Ended	6 Months Ended		11 Months Ended	12 Months Ended
	Dec. 29, 2023	Dec. 30, 2022	Jun. 16, 2022	Nov. 14, 2023	Dec. 31, 2021
Leases [Abstract]
Operating Lease, Right-of-Use Asset	$ 50.9	$ 38.1
Operating Lease, Liability, Current	10.5	10.3
Operating Lease, Liability, Noncurrent	$ 44.8	$ 30.4
Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration]	Other Liabilities	Other Liabilities
Operating Lease, Cost	$ 1.8	$ 7.9	$ 8.7	$ 15.0	$ 19.6
Short-term Lease, Cost	0.5	1.6	0.4	0.9	1.1
Variable Lease, Cost	0.0	1.5	1.2	2.3	2.4
Lease, Cost	$ 2.3	$ 11.0	10.3	18.2	23.1
Operating Lease, Weighted Average Remaining Lease Term	7 years 4 months 24 days	6 years 8 months 12 days
Operating Lease, Weighted Average Discount Rate, Percent	8.10%	11.90%
Lessee, Operating Lease, Liability, Payments, Due Next Twelve Months	$ 14.4
Lessee, Operating Lease, Liability, Payments, Due Year Two	13.2
Operating Lease, Liability	55.3	$ 40.7
Lessee, Operating Lease, Liability, Payments, Due Year Three	8.9
Lessee, Operating Lease, Liability, Payments, Due Year Four	6.9
Lessee, Operating Lease, Liability, Payments, Due Year Five	6.6
Lessee, Operating Lease, Liability, Payments, Due after Year Five	24.7
Lessee, Operating Lease, Liability, Payments, Due	74.7
Lessee, Operating Lease, Liability, Undiscounted Excess Amount	(19.4)
Operating Lease, Payments	2.4	9.2	9.4	14.6	20.4
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	0.0	7.1	$ 13.4	$ 13.2	$ 2.6
Lessee, Lease, Description [Line Items]
Operating Lease, Liability, Current	10.5	10.3
Operating Lease, Liability, Noncurrent	44.8	30.4
Operating Lease, Liability	$ 55.3	$ 40.7
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Other assets	Other assets
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Accrued and other current liabilities	Accrued and other current liabilities
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other Liabilities, Noncurrent	Other Liabilities, Noncurrent