Summary of Significant Accounting Policies - Schedule of Cash, Cash Equivalents and Investments (Details) - USD ($) $ in Millions	Dec. 28, 2024	Dec. 30, 2023
Schedule of Investments [Line Items]
Cash and cash equivalents	$ 22.5	$ 28.9
Short-term investments	6.4	5.6
Other Assets	19.1	19.3
Amortized cost basis of debt securities	14.1	13.8
Debt securities
Schedule of Investments [Line Items]
Cash and cash equivalents	0.0	0.0
Short-term investments	2.0	1.2
Other Assets	11.9	12.3
Equity investments
Schedule of Investments [Line Items]
Cash and cash equivalents	0.0	0.0
Short-term investments	4.4	4.3
Other Assets	7.2	7.0
Cash and money market accounts
Schedule of Investments [Line Items]
Cash and cash equivalents	22.5	28.9
Short-term investments	0.0	0.0
Other Assets	$ 0.0	$ 0.0