Nature of Business and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2022

Accounting Policies [Abstract]

Schedule of Other Current Assets

The components of prepaid expenses and other current assets consist of the following (in millions):

	Successor				Predecessor
	December 31, 2022		December 31, 2021		June 30, 2021
Prepaid insurance	$	3.2	$	5.3	$	0.8
Short-term marketable securities	4.3		4.9		4.6
Income tax receivable and prepaid income taxes	2.8		3.9		4.8
Other tax receivables	1.6		2.1		1.2
Other current assets	21.7		15.3		16.9
	$	33.6	$	31.5	$	28.3