Schedule of Amortizable Intangible Assets (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Finite-Lived Intangible Assets
Gross Carrying Amount	$ 378,822	$ 378,822
Accumulated Amortization	(355,815)	(337,062)
Foreign Currency Translation Adjustment	(7,080)	(6,356)
Net Carrying Amount	15,927	35,404
Developed technology
Finite-Lived Intangible Assets
Gross Carrying Amount	267,706	267,706
Accumulated Amortization	(255,448)	(243,191)
Foreign Currency Translation Adjustment	(5,820)	(5,343)
Net Carrying Amount	6,438	19,172
Customer Relationships
Finite-Lived Intangible Assets
Gross Carrying Amount	52,109	52,109
Accumulated Amortization	(49,562)	(47,850)
Foreign Currency Translation Adjustment	204	232
Net Carrying Amount	2,751	4,491
Trademarks and tradenames
Finite-Lived Intangible Assets
Gross Carrying Amount	59,007	59,007
Accumulated Amortization	(50,805)	(46,021)
Foreign Currency Translation Adjustment	(1,464)	(1,245)
Net Carrying Amount	$ 6,738	$ 11,741