Investments (Tables)

9 Months Ended

Sep. 30, 2023

Investments, Debt and Equity Securities [Abstract]

Investment

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

	Cost Basis		Unrealized Gain		Fair Value
As of September 30, 2023 (Successor)
Short-term investments
Certificates of deposit	$	16.6	$	—	$	16.6
Long-term investments
Assets held in a rabbi trust	$	2.4	$	0.4	$	2.8
As of December 31, 2022 (Predecessor)
Short-term investments
Certificates of deposit	$	24.6	$	—	$	24.6
Long-term investments
Assets held in a rabbi trust	$	4.3	$	0.1	$	4.4