Segment, Geographic and Product Information - Information Regarding Long-Lived Assets in Geographic Areas (Detail) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Long-lived assets:
Total long-lived assets	$ 714,231	$ 686,656
U.K.
Long-lived assets:
Total long-lived assets	292,726	306,085
U.S.
Long-lived assets:
Total long-lived assets	239,776	220,050
Asia
Long-lived assets:
Total long-lived assets	86,516	75,496
Other Europe/MEA
Long-lived assets:
Total long-lived assets	74,942	64,865
France
Long-lived assets:
Total long-lived assets	14,674	14,260
Other Americas
Long-lived assets:
Total long-lived assets	$ 5,597	$ 5,900