Summary of Significant Accounting Policies - Intangible Assets (Details) - USD ($) $ in Millions	5 Months Ended	7 Months Ended	12 Months Ended
	Dec. 31, 2024	Jul. 30, 2024	Dec. 31, 2023
Summary of Significant Accounting Policies
Impairment of finite lived intangible assets	$ 3.8	$ 0.0	$ 0.0
Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration]	Impairment of Intangible Assets (Excluding Goodwill)
Impairment of indefinite live lived intangible assets	$ 15.1	$ 0.0	$ 0.0
Impairment, Intangible Asset, Indefinite-Lived (Excluding Goodwill), Statement of Income or Comprehensive Income [Extensible Enumeration]	Impairment of Intangible Assets (Excluding Goodwill)