Segment, Geographic and Product Information - Geographic Information Regarding Revenues (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenues:
Total revenues	$ 2,025,401	$ 1,795,302	$ 2,015,364
U.K.
Revenues:
Total revenues	730,753	647,916	835,371
U.S.
Revenues:
Total revenues	652,898	542,744	517,269
Asia
Revenues:
Total revenues	275,209	271,678	301,489
Other Europe/MEA
Revenues:
Total revenues	201,461	172,376	200,409
France
Revenues:
Total revenues	90,774	92,649	99,933
Other Americas
Revenues:
Total revenues	$ 74,306	$ 67,939	$ 60,893