Underwriting, Acquisition and General Expenses (Tables)

12 Months Ended

Dec. 31, 2024

Underwriting Acquisition And Insurance Expenses [Abstract]

Schedule of Underwriting, Acquisition and Insurance Expenses

Underwriting, acquisition and general expenses were as follows:

	Successor				Predecessor
	For the Year Ended		Period from		Period from		For the Year Ended
	December 31, 2024		November 16, 2023 through December 31, 2023		January 1, 2023 through November 15, 2023		December 31, 2022
(in millions)
Commissions	$	89.6	$	12.7	$	141.7	$	280.2
Other underwriting and insurance expenses	260.3		33.8		268.3		401.0
Amortization of value of business acquired and other intangible assets	172.0		37.9		—		—
Total	521.9		84.4		410.0		681.2
Net deferral of policy acquisition costs	(44.9)		(7.2)		9.0		(10.5)
Total underwriting, acquisition and general expenses	$	477.0	$	77.2	$	419.0	$	670.7