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Equity Security Investments Using the Measurement Alternative Method (Tables)
 9 Months Ended
Sep. 26, 2025
Investments, Debt and Equity Securities [Abstract]  
Summary of Equity Security Investments The Company records these investments as Other long-term assets in the Condensed Consolidated Balance Sheets and are summarized as follows ($ in millions):
September 26, 2025December 31, 2024
Equity security investments$28.7 $26.4 
Net unrealized losses are summarized as follows ($ in millions):
Three Months EndedNine Months Ended
September 26, 2025September 27, 2024September 26, 2025September 27, 2024
Investment Losses
    Unrealized losses$— $— $— $(1.5)
Total$— $— $— $(1.5)