Fair Value Measurements - Valuation of Company's Assets and Liabilities Measured at Fair Value (Detail) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Assets
Money market funds	$ 35,504	$ 59,173
Assets Fair Value Total	142,992	142,965
Liabilities
Contingent consideration payable	12,447	12,340
Total liabilities	12,447	14,028
Foreign Currency Forward Position [Member]
Liabilities
Foreign currency forward position	814	1,688
Mutual Funds Held In Rabbi Trust [Member]
Assets
Trading securities	10,013	9,383
U.S. Treasuries [Member]
Assets
Trading securities	74,829	74,409
Level 1 [Member]
Assets
Money market funds	35,504	59,173
Assets Fair Value Total	35,504	59,173
Level 2 [Member]
Assets
Assets Fair Value Total	107,488	83,792
Liabilities
Total liabilities		1,688
Level 2 [Member] \| Foreign Currency Forward Position [Member]
Liabilities
Foreign currency forward position	814	1,688
Level 2 [Member] \| Mutual Funds Held In Rabbi Trust [Member]
Assets
Trading securities	10,013	9,383
Level 2 [Member] \| U.S. Treasuries [Member]
Assets
Trading securities	74,829	74,409
Level 3 [Member]
Liabilities
Contingent consideration payable	12,447	12,340
Total liabilities	12,447	$ 12,340
Corporate Debt [Member]
Assets
Securities available-for-sale	21,832
Trading securities	21,832
Corporate Debt [Member] \| Level 2 [Member]
Assets
Securities available-for-sale	$ 21,832

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Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of liability recognized arising from contingent consideration in a business combination.

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Fair value, after offset of derivative asset, of financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, elected not to be and before offset against a right to receive collateral under a master netting arrangement. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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Fair value of financial and nonfinancial obligations.

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Amount of investment in debt security measured at fair value with change in fair value recognized in net income (trading).

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