Intangible Assets and Goodwill - Intangible Assets (Details) - USD ($) $ in Thousands	5 Months Ended	7 Months Ended	12 Months Ended
	Dec. 31, 2025	Jul. 31, 2025	Dec. 31, 2025	Dec. 31, 2024
Definite-lived intangible asset
Accumulated Amortization	$ (16,202)		$ (16,202)	$ (551,872)
Finite-lived, net	341,205		341,205
Indefinite-lived intangible asset
Intangible Assets, Gross Carrying Amount	360,282		360,282	684,714
Intangible assets, net	344,080	$ 320,773	344,080	132,842
Gross carrying amount of intangible assets fully amortized and written off				14,600
Aggregate amortization expense related to intangible assets	16,200	15,100		34,300
Trade names
Indefinite-lived intangible asset
Indefinite-lived	2,875		2,875	5,300
Intangible assets, net		2,875
Accumulated impairment losses	0		$ 0	$ 44,100
Customer relationships
Definite-lived intangible asset
Weighted Average Remaining Useful Life (in years)			11 years	7 years 9 months 18 days
Gross Carrying Amount	292,855		$ 292,855	$ 490,166
Accumulated Amortization	(11,076)		(11,076)	(388,565)
Finite-lived, net	281,779		$ 281,779	$ 101,601
Indefinite-lived intangible asset
Intangible assets, net		264,000
Trade names
Definite-lived intangible asset
Weighted Average Remaining Useful Life (in years)			8 years
Gross Carrying Amount	9,029		$ 9,029
Accumulated Amortization	(470)		(470)
Finite-lived, net	8,559		8,559
Indefinite-lived intangible asset
Accumulated impairment losses	0		$ 0
Developed Technology
Definite-lived intangible asset
Weighted Average Remaining Useful Life (in years)				2 months 12 days
Gross Carrying Amount				$ 88,554
Accumulated Amortization				(88,501)
Finite-lived, net				$ 53
Indefinite-lived intangible asset
Intangible assets, net		37,800
Outsourced Contract Costs
Definite-lived intangible asset
Weighted Average Remaining Useful Life (in years)			5 years	2 years
Gross Carrying Amount	1,133		$ 1,133	$ 17,660
Accumulated Amortization	(94)		(94)	(16,496)
Finite-lived, net	1,039		$ 1,039	$ 1,164
Indefinite-lived intangible asset
Intangible assets, net		1,090
Internally developed software
Definite-lived intangible asset
Weighted Average Remaining Useful Life (in years)			5 years	2 years 2 months 12 days
Gross Carrying Amount	39,381		$ 39,381	$ 56,285
Accumulated Amortization	(3,311)		(3,311)	(47,610)
Finite-lived, net	36,070		$ 36,070	$ 8,675
Purchased software
Definite-lived intangible asset
Weighted Average Remaining Useful Life (in years)			8 years	9 years
Gross Carrying Amount	15,009		$ 15,009	$ 26,749
Accumulated Amortization	(1,251)		(1,251)	(10,700)
Finite-lived, net	$ 13,758		$ 13,758	$ 16,049
Indefinite-lived intangible asset
Intangible assets, net		$ 15,008