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. 27, 2024
Leases [Abstract]
Operating Lease, Right-of-Use Asset	$ 50.9				$ 56.3
Finance Lease, Right-of-Use Asset, after Accumulated Amortization	$ 0.0				$ 5.8
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]
Right of use asset, total	$ 50.9				$ 62.1
Operating Lease, Liability, Current	10.5				10.8
Finance Lease, Liability, Current	$ 0.0				$ 0.3
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]
Lease Liability, Current	$ 10.5				$ 11.1
Operating Lease, Liability, Noncurrent	44.8				45.0
Finance Lease, Liability, Noncurrent	$ 0.0				$ 5.7
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]
Lease Liability, Noncurrent	$ 44.8				$ 50.7
Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration]	Other Liabilities				Other Liabilities
Operating Lease, Cost	$ 1.8	$ 7.9	$ 8.7	$ 15.0	$ 13.9
Short-term Lease, Cost	0.5	1.6	0.4	0.9	1.4
Variable Lease, Cost	0.0	1.5	1.2	2.3	0.0
Finance Lease, Right-of-Use Asset, Amortization	0.0	0.0	0.0	0.0	0.4
Finance Lease, Interest Expense	0.0	0.0	0.0	0.0	0.4
Lease, Cost	$ 2.3	11.0	10.3	18.2	$ 16.1
Operating Lease, Weighted Average Remaining Lease Term	7 years 4 months 24 days				7 years 2 months 12 days
Operating Lease, Weighted Average Discount Rate, Percent	8.10%				6.50%
Finance Lease, Weighted Average Remaining Lease Term					10 years
Finance Lease, Weighted Average Discount Rate, Percent	0.00%				8.50%
Lessee, Operating Lease, Liability, Payments, Due Next Twelve Months					$ 16.8
Lessee, Operating Lease, Liability, Payments, Due Year Two					12.4
Lessee, Operating Lease, Liability, Payments, Due Year Three					10.2
Lessee, Operating Lease, Liability, Payments, Due Year Four					9.1
Lessee, Operating Lease, Liability, Payments, Due Year Five					7.8
Lessee, Operating Lease, Liability, Payments, Due after Year Five					19.4
Lessee, Operating Lease, Liability, Payments, Due					75.7
Lessee, Operating Lease, Liability, Undiscounted Excess Amount					(19.9)
Operating Lease, Payments	$ 2.4	9.2	9.4	14.6	13.8
Finance Lease, Principal Payments	0.0	0.0	0.0	0.0	0.2
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	0.0	7.1	13.4	13.2	18.0
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability	0.0	$ 0.0	$ 0.0	$ 0.0	6.2
Lessee, Lease, Description [Line Items]
Operating Lease, Liability, Current	10.5				10.8
Operating Lease, Liability, Noncurrent	44.8				45.0
Finance Lease, Liability, to be Paid, Year One					0.8
Finance Lease, Liability, to be Paid, Year Two					0.8
Finance Lease, Liability, to be Paid, Year Three					0.8
Finance Lease, Liability, to be Paid, Year Four					0.9
Finance Lease, Liability, to be Paid, Year Five					0.9
Finance Lease, Liability, to be Paid, after Year Five					4.9
Finance Lease, Liability, to be Paid					9.1
Finance Lease, Liability, Undiscounted Excess Amount					(3.1)
Operating Lease, Liability					55.8
Finance Lease, Liability, Current	0.0				0.3
Finance Lease, Liability, Noncurrent	0.0				5.7
Finance Lease, Right-of-Use Asset, after Accumulated Amortization	$ 0.0				$ 5.8
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
Total lease liabilities	$ 55.3				$ 61.8