Leases - Supplemental Balance Sheet (Details) - USD ($) $ in Millions	Jun. 26, 2022	Dec. 26, 2021
Operating leases:
Operating lease right-of-use assets	$ 38.1	$ 38.5
Current portion of operating lease liabilities	10.6	10.1
Operating lease liabilities, net of current portion	31.5	32.7
Finance leases:
Property, plant and equipment, net	46.8	39.0
Other current liabilities	1.7	1.2
Other long-term liabilities	$ 51.3	$ 43.2
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