Leases - Lease Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 26, 2025	Dec. 27, 2024
Lessee, Lease, Description [Line Items]
Operating lease right-of-use assets	$ 192.8	$ 186.1
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	$ 4.2	$ 5.7
Total lease assets	197.0	191.8
Current maturities of operating leases	45.4	38.6
Current maturities of debt and finance leases	1.5	1.5
Operating leases, less current maturities	125.9	122.3
Long-term debt and finance leases, less current maturities	3.2	4.8
Total lease liabilities	$ 176.0	$ 167.2
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)	6 years	5 years 10 months 24 days
Finance leases, Weighted-average remaining lease term (years)	3 years 1 month 6 days	4 years
Operating leases, Weighted-average discount rate (percentage)	6.47%	6.48%
Finance leases, Weighted-average discount rate (percentage)	1.80%	1.85%
Nonrelated Party
Lessee, Lease, Description [Line Items]
Operating lease right-of-use assets	$ 192.8	$ 186.1