Fresh Start Accounting - Condensed Consolidated and Combined Balance Sheet (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Sep. 30, 2025	Aug. 01, 2025	Jul. 31, 2025	Jul. 29, 2025	Dec. 31, 2024	Jan. 01, 2024	Dec. 31, 2023
Current assets
Cash and cash equivalents	$ 37,113			$ 11,667		$ 11,635
Restricted cash	31,553			30,743		52,432
Accounts receivable, net	130,281			112,654		18,663	$ 42,833
Related party receivables and prepaid expenses	$ 736			$ 3,938		$ 12,105
Other Receivable, after Allowance for Credit Loss, Current, Related Party [Extensible Enumeration]	Related Party [Member]			Related Party [Member]		Related Party [Member]
Inventories, net	$ 11,365			$ 6,508		$ 7,204
Prepaid expenses and other current assets	28,699			26,751		22,358
Total current assets	239,747			192,261		124,397
Property, plant and equipment, net	82,956			73,115		45,106
Operating lease right-of-use assets, net	30,339			29,542		30,543
Goodwill	189,881	$ 189,881	$ 510,064	454,217		39,718
Intangible assets, net	344,080			320,773		132,842
Other noncurrent assets	15,094			18,561		17,815
Total assets	902,097			1,088,469		390,421
Current liabilities
Current portion of long-term debt	34,334			29,978		1,433,484
Accounts payable	55,700			42,123		42,602
Related party payables	$ 5,343			$ 1,350		$ 3,383
Notes Payable, Current, Related Party [Extensible Enumeration]	Related Party [Member]			Related Party [Member]		Related Party [Member]
Income tax payable	$ 6,158			$ 2,312		$ 5,682
Accrued liabilities	47,101			41,366		44,898
Accrued compensation and benefits	56,314			33,938		68,179
Accrued interest	13,685			1,877		80,039
Customer deposits	21,691			17,779		19,900
Deferred revenue				9,701
Obligation for claim payment	55,632			53,176		70,805
Current portion of finance lease liabilities	4,390			5,174		5,441
Current portion of operating lease liabilities	9,814			9,283		9,210
Total current liabilities	322,043			248,057		1,790,206
Long-term debt, net of current maturities	353,267			307,056		1,468
Finance lease liabilities, net of current portion	6,857			7,303		6,381
Net defined benefit liability	6,241			1,069		1,041
Deferred income tax liabilities	52,595			49,514		13,118
Long-term income tax liabilities	10,554			7,951		8,285
Operating lease liabilities, net of current portion	22,530			22,533		23,907
Other long-term liabilities	40,671			37,623		2,803
Total liabilities not subject to compromise				681,106
Liabilities subject to compromise				0
Total liabilities	814,758			681,106		1,847,209
Stockholders' Equity (Deficit)
Predecessor's net parent investment	0			0		(1,449,634)
Predecessor accumulated other comprehensive loss:
Foreign currency translation adjustment	(1,263)			0		(7,154)
Predecessor total accumulated other comprehensive loss (income)	455			0		(7,154)
Successor's common stock	12			8		0
Successor's paid-in-capital in excess of par	437,995			407,355		0
Total stockholder's equity (deficit)				407,363
Total liabilities and stockholder's equity (deficit)	$ 902,097			1,088,469		390,421
Predecessor
Current assets
Cash and cash equivalents				17,958
Restricted cash				30,743
Accounts receivable, net				38,187
Related party receivables and prepaid expenses				3,938
Inventories, net				6,508
Prepaid expenses and other current assets				32,164
Total current assets				129,498
Property, plant and equipment, net				42,785
Operating lease right-of-use assets, net				29,542
Goodwill				39,718		$ 39,718		$ 147,542
Intangible assets, net				119,032
Other noncurrent assets				16,297
Total assets				376,872
Current liabilities
Current portion of long-term debt				247,322
Accounts payable				23,008
Related party payables				39
Income tax payable				10,126
Accrued liabilities				21,181
Accrued compensation and benefits				25,376
Accrued interest				0
Customer deposits				83
Deferred revenue				9,701
Obligation for claim payment				53,176
Current portion of finance lease liabilities				4,884
Current portion of operating lease liabilities				9,283
Total current liabilities				404,179
Long-term debt, net of current maturities				1,465
Finance lease liabilities, net of current portion				7,303
Net defined benefit liability				1,069
Deferred income tax liabilities				13,721
Long-term income tax liabilities				8,496
Operating lease liabilities, net of current portion				22,533
Other long-term liabilities				288
Total liabilities not subject to compromise				459,054
Liabilities subject to compromise				1,424,479
Total liabilities				1,883,533
Stockholders' Equity (Deficit)
Predecessor's net parent investment				(1,498,817)
Predecessor accumulated other comprehensive loss:
Foreign currency translation adjustment				(7,844)
Predecessor total accumulated other comprehensive loss (income)				(7,844)
Successor's common stock				0
Successor's paid-in-capital in excess of par				0
Total stockholder's equity (deficit)				(1,506,661)
Total liabilities and stockholder's equity (deficit)				376,872
Reorganization Adjustments
Current assets
Cash and cash equivalents				(6,291)	$ (6,291)
Restricted cash				0
Accounts receivable, net				74,467
Related party receivables and prepaid expenses				0
Inventories, net				0
Prepaid expenses and other current assets				(5,413)
Total current assets				62,763
Property, plant and equipment, net				0
Operating lease right-of-use assets, net				0
Goodwill				0
Intangible assets, net				0
Other noncurrent assets				2,264
Total assets				65,027
Current liabilities
Current portion of long-term debt				(217,344)
Accounts payable				19,115
Related party payables				1,311
Income tax payable				(7,814)
Accrued liabilities				20,185
Accrued compensation and benefits				8,562
Accrued interest				1,877
Customer deposits				17,696
Deferred revenue				0
Obligation for claim payment				0
Current portion of finance lease liabilities				290
Current portion of operating lease liabilities				0
Total current liabilities				(156,122)
Long-term debt, net of current maturities				305,591
Finance lease liabilities, net of current portion				0
Net defined benefit liability				0
Deferred income tax liabilities				35,793
Long-term income tax liabilities				(545)
Operating lease liabilities, net of current portion				0
Other long-term liabilities				37,335
Total liabilities not subject to compromise				222,052
Liabilities subject to compromise				1,424,479
Total liabilities				(1,202,427)
Stockholders' Equity (Deficit)
Predecessor's net parent investment				859,777
Predecessor accumulated other comprehensive loss:
Foreign currency translation adjustment				314
Predecessor total accumulated other comprehensive loss (income)				314
Successor's common stock				8
Successor's paid-in-capital in excess of par				407,355
Total stockholder's equity (deficit)				1,267,454
Total liabilities and stockholder's equity (deficit)				65,027
Fresh Start Adjustments
Current assets
Cash and cash equivalents				0
Restricted cash				0
Accounts receivable, net				0
Related party receivables and prepaid expenses				0
Inventories, net				0
Prepaid expenses and other current assets				0
Total current assets				0
Property, plant and equipment, net				30,330
Operating lease right-of-use assets, net				0
Goodwill				414,499
Intangible assets, net				201,741
Other noncurrent assets				0
Total assets				646,570
Current liabilities
Current portion of long-term debt				0
Accounts payable				0
Related party payables				0
Income tax payable				0
Accrued liabilities				0
Accrued compensation and benefits				0
Accrued interest				0
Customer deposits				0
Deferred revenue				0
Obligation for claim payment				0
Current portion of finance lease liabilities				0
Current portion of operating lease liabilities				0
Total current liabilities				0
Long-term debt, net of current maturities				0
Finance lease liabilities, net of current portion				0
Net defined benefit liability				0
Deferred income tax liabilities				0
Long-term income tax liabilities				0
Operating lease liabilities, net of current portion				0
Other long-term liabilities				0
Total liabilities not subject to compromise				0
Liabilities subject to compromise				0
Total liabilities				0
Stockholders' Equity (Deficit)
Predecessor's net parent investment				639,040
Predecessor accumulated other comprehensive loss:
Foreign currency translation adjustment				7,530
Predecessor total accumulated other comprehensive loss (income)				7,530
Successor's common stock				0
Successor's paid-in-capital in excess of par				0
Total stockholder's equity (deficit)				646,570
Total liabilities and stockholder's equity (deficit)				$ 646,570