Leases - Lease Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 27, 2024	Dec. 29, 2023
Lessee, Lease, Description [Line Items]
Operating lease right-of-use assets	$ 186.1	$ 213.8
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Property, plant and equipment, net	Property, plant and equipment, net
Property, plant and equipment, net	$ 5.7	$ 7.3
Total lease assets	191.8	221.1
Current maturities of operating leases	38.6	48.6
Current maturities of debt and finance leases	1.5	1.4
Operating leases, less current maturities	122.3	142.1
Long-term debt and finance leases, less current maturities	4.8	6.1
Total lease liabilities	$ 167.2	$ 198.2
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Long-term debt and finance leases	Long-term debt and finance leases
Operating leases, Weighted-average remaining lease term (years)	5 years 10 months 24 days	5 years 9 months 18 days
Finance leases, Weighted-average remaining lease term (years)	4 years	4 years 6 months
Operating leases, Weighted-average discount rate (percentage)	6.48%	5.37%
Finance leases, Weighted-average discount rate (percentage)	1.85%	4.47%
Nonrelated Party
Lessee, Lease, Description [Line Items]
Operating lease right-of-use assets	$ 186.1	$ 213.8