Supplemental Cash Flow Information (Tables)

3 Months Ended

Mar. 31, 2024

Supplemental Cash Flow Elements [Abstract]

Schedule of Interest Paid and Income Taxes Paid (Recovered)

Interest paid and income taxes paid (recovered) were as follows:

	Successor		Predecessor
(in millions)	Three Months Ended March 31, 2024		Three Months Ended March 31, 2023
Senior unsecured fixed rate notes	$	2.3	$	2.3
Junior subordinated debentures	6.1		5.5
Other indebtedness	0.6		0.8
Total interest paid	$	9.0	$	8.6
Income taxes paid	$	—	$	0.4
Income taxes recovered	—		(0.1)
Income taxes paid, net	$	—	$	0.3