Fair Value of Financial Instruments - Fair Value Hierarchy (Details) - Fair value, recurring - USD ($) $ in Millions	Mar. 27, 2022	Dec. 26, 2021	Mar. 28, 2021
Assets:
Available-for-sale securities	$ 1.6	$ 1.9	$ 2.2
Derivatives	9.9	10.9	9.4
Total assets	11.5	12.8	11.6
Liabilities:
Derivatives	4.6	2.6	6.8
Option agreement	1.7	1.7	21.8
Total liabilities	6.3	4.3	28.6
Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets:
Available-for-sale securities	1.6	1.9	2.2
Derivatives	0.0	0.0	0.0
Total assets	1.6	1.9	2.2
Liabilities:
Derivatives	0.0	0.0	0.0
Option agreement	0.0	0.0	0.0
Total liabilities	0.0	0.0	0.0
Significant Other Observable Inputs (Level 2)
Assets:
Available-for-sale securities	0.0	0.0	0.0
Derivatives	9.9	10.9	9.4
Total assets	9.9	10.9	9.4
Liabilities:
Derivatives	4.6	2.6	6.8
Option agreement	0.0	0.0	0.0
Total liabilities	4.6	2.6	6.8
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	21.8
Total liabilities	$ 1.7	$ 1.7	$ 21.8