v3.26.1
Fresh Start Accounting - Shares Of Common Stock And Preliminary Estimated Reorganization Value (Details) - USD ($)
$ in Millions
Jun. 28, 2026
Sep. 30, 2025
Sep. 29, 2025
Jun. 29, 2025
Jun. 30, 2024
Jun. 25, 2023
Reorganizations [Abstract]            
Enterprise value     $ 2,600.0      
Plus: Cash and cash equivalents (includes restricted cash) and short-term investments $ 1,088.6   835.4 $ 955.4    
Less: Fair value of debt issued upon emergence, including issuance costs, excluding equity-classified substantial premium     (2,151.3)      
Less: Equity-classified substantial premium associated with New 2L Non-Renesas Convertible Notes     (168.8)      
Less: Fair value of the Renesas Warrant     (33.6)      
Less: Cash from MACOM Shares sale captured in enterprise value     (60.8)      
Less: Deposit liabilities included in cash     (25.2)      
Less: Debt issuance costs     (8.0)      
Less: Restricted cash     (28.3)      
Implied value of Wolfspeed, Inc's common stock (including reserved but unissued shares)     959.4      
Less: Implied value of the Renesas Base Consideration Shares classified as a liability     (371.1)      
Less: Implied value of the obligation to issue Contingent Shares classified as equity     (19.2)      
Implied value of Wolfspeed, Inc's common stock outstanding as of the Effective Date     569.1      
Plus: Equity-classified substantial premium associated with New 2L Non-Renesas Convertible Notes     168.8      
Plus: Implied value of the obligation to issue Contingent Shares classified as equity     19.2      
Total stockholders' equity (deficit) $ 930.2 $ 757.1 $ 757.1 $ (447.1) $ 882.1 $ 1,621.9