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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%

X

- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
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-Name Accounting Standards Codification
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- Definition

Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets.

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