Goodwill and Intangible Assets - Summary of Intangible Assets Balance (Detail) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Schedule Of Intangible Assets [Line Items]
Gross Carrying Amount	$ 1,464,530	$ 1,296,630
Accumulated Amortization	(621,462)	(552,822)
Net Carrying Amount	843,068	743,808
Intangible assets, Gross Carrying Amount	1,655,000	1,487,100
Intangible assets, Net Carrying Amount	1,033,538	934,278
Intangible Assets Accumulated Amortization	$ (621,462)	(552,822)
Trademarks [Member]
Schedule Of Intangible Assets [Line Items]
Weighted- Average Remaining Useful Life (Years)	4 years 3 months 18 days
Gross Carrying Amount	$ 1,300
Accumulated Amortization	(195)
Net Carrying Amount	1,105
Indefinite life intangible assets	190,470	190,470
Intangible assets, Net Carrying Amount	$ 190,470	$ 190,470
Customer Relationships [Member]
Schedule Of Intangible Assets [Line Items]
Weighted- Average Remaining Useful Life (Years)	9 years 9 months 18 days	10 years 3 months 18 days
Gross Carrying Amount	$ 1,324,130	$ 1,291,830
Accumulated Amortization	(606,162)	(550,822)
Net Carrying Amount	$ 717,968	$ 741,008
Acquired Technologies [Member]
Schedule Of Intangible Assets [Line Items]
Weighted- Average Remaining Useful Life (Years)	7 years 2 months 12 days	4 years 1 month 6 days
Gross Carrying Amount	$ 139,100	$ 4,800
Accumulated Amortization	(15,105)	(2,000)
Net Carrying Amount	$ 123,995	$ 2,800
Subsidiaries [Member] | Trademarks [Member]
Schedule Of Intangible Assets [Line Items]
Estimated Useful Life (Years)	5 years
Subsidiaries [Member] | Customer Relationships [Member]
Schedule Of Intangible Assets [Line Items]
Estimated Useful Life (Years)		18 years
Subsidiaries [Member] | Customer Relationships [Member] | Maximum [Member]
Schedule Of Intangible Assets [Line Items]
Estimated Useful Life (Years)	18 years
Subsidiaries [Member] | Customer Relationships [Member] | Minimum [Member]
Schedule Of Intangible Assets [Line Items]
Estimated Useful Life (Years)	16 years
Subsidiaries [Member] | Acquired Technologies [Member]
Schedule Of Intangible Assets [Line Items]
Estimated Useful Life (Years)		7 years
Subsidiaries [Member] | Acquired Technologies [Member] | Maximum [Member]
Schedule Of Intangible Assets [Line Items]
Estimated Useful Life (Years)	8 years
Subsidiaries [Member] | Acquired Technologies [Member] | Minimum [Member]
Schedule Of Intangible Assets [Line Items]
Estimated Useful Life (Years)	7 years