Fair Value of Financial Instruments - Fair Value Hierarchy (Details) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023	Jul. 02, 2023
Assets:
Short-term investments	$ 483.0	$ 0.0	$ 0.0
Fair Value, Recurring
Assets:
Short-term investments	483.0
Available-for-sale securities	0.8	1.1	1.5
Derivatives	3.5	0.7	4.3
Total assets	487.3	1.8	5.8
Liabilities:
Derivatives	8.5	3.9	6.4
Option agreement	1.7	1.7	1.7
Total liabilities	10.2	5.6	8.1
Fair Value, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets:
Short-term investments	483.0
Available-for-sale securities	0.8	1.1	1.5
Derivatives	0.0	0.0	0.0
Total assets	483.8	1.1	1.5
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:
Short-term investments	0.0
Available-for-sale securities	0.0	0.0	0.0
Derivatives	3.5	0.7	4.3
Total assets	3.5	0.7	4.3
Liabilities:
Derivatives	8.5	3.9	6.4
Option agreement	0.0	0.0	0.0
Total liabilities	8.5	3.9	6.4
Fair Value, Recurring | Significant Unobservable Inputs (Level 3)
Assets:
Short-term investments	0.0
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