v3.26.1
Basis of Presentation and New Accounting Standards- Schedule of Inventories (Details) - USD ($)
$ in Millions
Mar. 29, 2026
Sep. 29, 2025
Jun. 29, 2025
Accounting Policies [Abstract]      
Raw material $ 128.8   $ 144.5
Work-in-progress 146.3   284.6
Finished goods 5.4   6.3
Inventories, net $ 280.5 $ 392.3 $ 435.4