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Segment, Geographic and Product Information - Information Regarding Long-Lived Assets in Geographic Areas (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023
Long-lived assets: |  |  |  |  |
Long-Lived Assets | $ 734,102 |  | $ 734,102 |  | $ 686,656
EMEA1 |  |  |  |  |
Long-lived assets: |  |  |  |  |
Long-Lived Assets | 388,669 |  | 388,669 |  | 385,210
Americas2 |  |  |  |  |
Long-lived assets: |  |  |  |  |
Long-Lived Assets | 252,956 |  | 252,956 |  | 225,950
APAC |  |  |  |  |
Long-lived assets: |  |  |  |  |
Long-Lived Assets | 92,477 |  | 92,477 |  | 75,496
UNITED KINGDOM |  |  |  |  |
Long-lived assets: |  |  |  |  |
Long-Lived Assets | $ 285,100 |  | $ 285,100 |  | 306,100
UNITED KINGDOM | Long-Lived Assets Benchmark | Geographic Concentration Risk |  |  |  |  |
Long-lived assets: |  |  |  |  |
Concentration risk | 10.00% | 10.00% | 10.00% | 10.00% |
UNITED STATES |  |  |  |  |
Long-lived assets: |  |  |  |  |
Long-Lived Assets | $ 246,700 |  | $ 246,700 |  | $ 220,100
UNITED STATES | Long-Lived Assets Benchmark | Geographic Concentration Risk |  |  |  |  |
Long-lived assets: |  |  |  |  |
Concentration risk | 10.00% | 10.00% | 10.00% | 10.00% |

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