Investments (Tables)

6 Months Ended

Jun. 30, 2024

Investments, Debt and Equity Securities [Abstract]

Schedule of Investments

The Company’s investments subject to fair value measurement consist of the following:

	Cost Basis		Unrealized Gain		Fair Value
As of June 30, 2024 (Successor)
Short-term investments
Certificates of deposit	$	8.7	$	—	$	8.7
Long-term investments
Assets held in a rabbi trust	$	2.2	$	0.9	$	3.1
As of December 31, 2023 (Successor)
Short-term investments
Certificates of deposit	$	13.4	$	—	$	13.4
Long-term investments
Assets held in a rabbi trust	$	2.3	$	0.6	$	2.9