Fair Value of Financial Instruments - Fair Value Hierarchy (Details) - USD ($) $ in Millions	Jul. 02, 2023	Dec. 25, 2022	Jun. 26, 2022
Assets:
Derivative Asset, Statement of Financial Position [Extensible Enumeration]	Prepaid expenses and other current assets, Assets, Noncurrent, Excluding Property, Plant, And Equipment And Finance Lease Right-of-Use Asset, After Accumulated Depreciation And Amortization	Prepaid expenses and other current assets, Assets, Noncurrent, Excluding Property, Plant, And Equipment And Finance Lease Right-of-Use Asset, After Accumulated Depreciation And Amortization	Prepaid expenses and other current assets, Assets, Noncurrent, Excluding Property, Plant, And Equipment And Finance Lease Right-of-Use Asset, After Accumulated Depreciation And Amortization
Fair value, recurring
Assets:
Available-for-sale securities	$ 1.5	$ 1.7	$ 1.7
Derivatives	4.3	7.9	19.8
Total assets	5.8	9.6	21.5
Liabilities:
Derivatives	6.4	2.9	0.8
Option agreement	1.7	1.7	1.7
Total liabilities	8.1	4.6	2.5
Fair value, recurring | Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets:
Available-for-sale securities	1.5	1.7	1.7
Derivatives	0.0	0.0	0.0
Total assets	1.5	1.7	1.7
Liabilities:
Derivatives	0.0	0.0	0.0
Option agreement	0.0	0.0	0.0
Total liabilities	0.0	0.0	0.0
Fair value, recurring | Significant Other Observable Inputs (Level 2)
Assets:
Available-for-sale securities	0.0	0.0	0.0
Derivatives	4.3	7.9	19.8
Total assets	4.3	7.9	19.8
Liabilities:
Derivatives	6.4	2.9	0.8
Option agreement	0.0	0.0	0.0
Total liabilities	6.4	2.9	0.8
Fair value, recurring | Significant Unobservable Inputs (Level 3)
Assets:
Available-for-sale securities	0.0	0.0	0.0
Derivatives	0.0	0.0	0.0
Total assets	0.0	0.0	0.0
Liabilities:
Derivatives	0.0	0.0	0.0
Option agreement	1.7	1.7	1.7
Total liabilities	$ 1.7	$ 1.7	$ 1.7