Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2025

Retirement Benefits [Abstract]

Schedule of change in benefit obligations, change in fair value of plan assets and funded status of pension plans (except for the German pension plan which is unfunded) and amounts recognized in our consolidated financial statements

	Successor
	Consolidated
	Period from August 1, 2025 through December 31, 2025
Change in Benefit Obligation:
Benefit obligation at August 1, 2025	$	60,233
Service cost		78
Interest cost		1,395
Actuarial gain		713
Plan amendments		130
Plan participants’ contributions		35
Benefits paid		(1,976)
Foreign-exchange rate changes		1,039
Benefit obligation at end of year	$	61,647
Change in Plan Assets:
Fair value of plan assets at August 1, 2025	$	52,382
Actual return on plan assets		2,835
Employer contributions		1,180
Benefits paid		(1,907)
Foreign-exchange rate changes		916
Fair value of plan assets at end of year		55,406
Funded status at end of year	$	(6,241)
Net amount recognized in the Consolidated Balance Sheets:
Pension liability, net (a)	$	6,241
Amounts recognized in accumulated other comprehensive loss, net of tax consist of:
Net actuarial gain (loss)		1,718
Net amount recognized in accumulated other comprehensive loss, net of tax	$	1,718
Plans with underfunded or non-funded accumulated benefit obligation:
Aggregate projected benefit obligation	$	61,647
Aggregate accumulated benefit obligation	$	61,647
Aggregate fair value of plan assets	$	55,406

(a) Consolidated balance of $6.2 million as of December 31, 2025 includes pension liabilities (assets) of $3.4 million, $1.4 million, $1.3 million and $(0.5) million under U.K., Asterion, German and Norway pension plans, respectively, and minimum regulatory benefit for a Philippines legal entity of $0.6 million.

Schedule of components of net periodic benefit cost

	Successor
	Consolidated
	Period from August 1, 2025 through December 31,
	2025
Service cost	$	78
Interest cost		1,395
Expected return on plan assets		(1,484)
Plan amendments		130
Amortization:
Amortization of net loss		858
Net periodic (benefit) cost	$	977

Schedule of principal actuarial assumptions used to determine benefit obligation and net periodic benefit costs

	Successor
	Consolidated
	December 31, 2025
	UK		Germany		Norway		Asterion
Weighted-average assumptions used to determine benefit obligations:
Discount rate	5.60	%	3.90	%	3.90	%	3.90	%
Rate of compensation increase	N/A		N/A		4.00	%	N/A
Weighted-average assumptions used to determine net periodic benefit cost:
Discount rate	5.60	%	3.90	%	3.90	%	3.90	%
Expected asset return	6.82	%	N/A	%	5.10	%	3.90	%
Rate of compensation increase	N/A		N/A		4.00	%	N/A

Schedule of weighted average allocation of plan assets by asset category

	Successor
	Consolidated
	December 31,
	2025
U.K. and other international equities	33.6	%
U.K. government and corporate bonds	3.9
Diversified growth fund	21.4
Liability driven investments	35.6
Multi-asset credit fund	5.5
Total	100.0	%

Schedule of fair value of pension assets

	Successor
	Consolidated
	December 31, 2025
	Total		Level 1		Level 2		Level 3
Asset Category:
Cash	$	1,784	$	1,784	$	—	$	—
Equity funds:
U.K. and other international		16,801		—		16,801		—
Fixed income securities:
Corporate bonds / U.K. Gilts		2,177		—		2,177		—
Other investments:
Diversified growth fund		11,846		—		11,846		—
Liability driven investments		19,728		—		19,728		—
Multi-asset credit fund		3,070		—		3,070		—
Total fair value	$	55,406	$	1,784	$	53,622	$	—

Schedule of estimated future pension benefit payments

	Estimated
	Benefit
	Payments
Year ended December 31,
2026	$	2,811
2027		3,187
2028		3,521
2029		3,401
2030		3,578
2031 – 2035		19,232
Total	$	35,730