Investments in and Advances to Unconsolidated Companies (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 27, 2026	Mar. 28, 2025	Dec. 26, 2025
Investments in and Advances to Affiliates [Abstract]
Investments in and advances to unconsolidated companies	$ 42.7		$ 63.2
Equity Method Investments	32.0		52.9
Unfunded commitments	10.6
Income from equity method investments	6.6	$ 0.0
Distributions received from equity method investment	29.6	$ 0.8
Investments in and Advances to Affiliates, Activity [Line Items]
Equity Method Investments	32.0		$ 52.9
semcap
Investments in and Advances to Affiliates [Abstract]
Equity Method Investments	23.0
Investments in and Advances to Affiliates, Activity [Line Items]
Equity Method Investments	$ 23.0