Leases - Supplemental Balance Sheet (Details) - USD ($) $ in Millions	Oct. 01, 2023	Dec. 25, 2022
Operating leases:
Operating lease right-of-use assets	$ 50.6	$ 47.4
Current portion of operating lease liabilities	12.1	10.8
Operating lease liabilities, net of current portion	43.0	40.8
Finance leases:
Property, plant and equipment, net	44.1	45.8
Other current liabilities	1.6	1.7
Other long-term liabilities	$ 49.5	$ 49.9
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Property, plant and equipment, net	Property, plant and equipment, net
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]	Other current liabilities	Other current liabilities
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Other long-term liabilities	Other long-term liabilities