Summary of Assets and Liabilities Recorded at Fair Value on Recurring Basis (Detail) - Recurring - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Assets:
Assets, fair value	$ 214,732	$ 206,412
Liabilities:
Liabilities, fair value	49,222	44,971
Money Market Mutual Funds | Other Noncurrent Assets
Assets:
Assets, fair value	115,399	111,129
Certificates of Deposit | Other Noncurrent Assets
Assets:
Assets, fair value	2,206	2,300
Equity Securities | Other Noncurrent Assets
Assets:
Assets, fair value	47,333	49,923
Deferred Compensation Assets | Other Noncurrent Assets
Assets:
Assets, fair value	49,222	43,060
Foreign Currency Forward Exchange Contracts | Other Current Assets
Assets:
Assets, fair value	572
Foreign Currency Forward Exchange Contracts | Other Noncurrent Liabilities
Liabilities:
Liabilities, fair value		1,911
Deferred Compensation Liability | Other Noncurrent Liabilities
Liabilities:
Liabilities, fair value	49,222	43,060
Basis of Fair Value Measurement, Level 1
Assets:
Assets, fair value	211,954	204,112
Liabilities:
Liabilities, fair value	49,222	43,060
Basis of Fair Value Measurement, Level 1 | Money Market Mutual Funds | Other Noncurrent Assets
Assets:
Assets, fair value	115,399	111,129
Basis of Fair Value Measurement, Level 1 | Equity Securities | Other Noncurrent Assets
Assets:
Assets, fair value	47,333	49,923
Basis of Fair Value Measurement, Level 1 | Deferred Compensation Assets | Other Noncurrent Assets
Assets:
Assets, fair value	49,222	43,060
Basis of Fair Value Measurement, Level 1 | Deferred Compensation Liability | Other Noncurrent Liabilities
Liabilities:
Liabilities, fair value	49,222	43,060
Basis of Fair Value Measurement, Level 2
Assets:
Assets, fair value	2,778	2,300
Liabilities:
Liabilities, fair value		1,911
Basis of Fair Value Measurement, Level 2 | Certificates of Deposit | Other Noncurrent Assets
Assets:
Assets, fair value	2,206	2,300
Basis of Fair Value Measurement, Level 2 | Foreign Currency Forward Exchange Contracts | Other Current Assets
Assets:
Assets, fair value	$ 572
Basis of Fair Value Measurement, Level 2 | Foreign Currency Forward Exchange Contracts | Accrued Liabilities Other
Liabilities:
Liabilities, fair value		$ 1,911