Leases (Details) - USD ($) $ in Millions	6 Months Ended		12 Months Ended
	Dec. 30, 2022	Jun. 16, 2022	Dec. 31, 2021	Dec. 25, 2020
Leases [Abstract]
Operating Lease, Right-of-Use Asset	$ 38.1		$ 35.0
Operating Lease, Liability, Current	10.3		11.1
Operating Lease, Liability, Noncurrent	30.4		20.0
Operating Lease, Liability, Liability Subject to Compromise	$ 0.0		$ (0.4)
Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration]	Other Liabilities		Other Liabilities
Operating Lease, Cost	$ 7.9	$ 8.7	$ 19.6	$ 21.2
Short-term Lease, Cost	1.6	0.4	1.1	1.1
Variable Lease, Cost	1.5	1.2	2.4	3.1
Lease, Cost	$ 11.0	10.3	$ 23.1	25.4
Operating Lease, Weighted Average Remaining Lease Term	6 years 8 months 12 days		5 years 8 months 12 days
Operating Lease, Weighted Average Discount Rate, Percent	11.90%		4.40%
Lessee, Operating Lease, Liability, Payments, Due Next Twelve Months	$ 14.9
Lessee, Operating Lease, Liability, Payments, Due Year Two	12.0
Operating Lease, Liability	40.7		$ 31.5
Lessee, Operating Lease, Liability, Payments, Due Year Three	7.9
Lessee, Operating Lease, Liability, Payments, Due Year Four	5.0
Lessee, Operating Lease, Liability, Payments, Due Year Five	3.2
Lessee, Operating Lease, Liability, Payments, Due after Year Five	18.3
Lessee, Operating Lease, Liability, Payments, Due	61.3
Lessee, Operating Lease, Liability, Undiscounted Excess Amount	(20.6)
Operating Lease, Payments	9.2	9.4	20.4	23.1
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	7.1	$ 13.4	2.6	$ 6.9
Lessee, Lease, Description [Line Items]
Operating Lease, Liability, Current	10.3		11.1
Operating Lease, Liability, Noncurrent	30.4		20.0
Operating Lease, Liability, Liability Subject to Compromise	0.0		0.4
Operating Lease, Liability	$ 40.7		$ 31.5
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