Summary of Assets and Liabilities Recorded at Fair Value on Recurring Basis (Detail) - Recurring - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Assets:
Assets, fair value	$ 206,412	$ 235,122
Liabilities:
Liabilities, fair value	44,971	38,032
Money Market Mutual Funds | Other Noncurrent Assets
Assets:
Assets, fair value	111,129	113,649
Certificates of Deposit | Other Noncurrent Assets
Assets:
Assets, fair value	2,300	2,200
Equity Securities | Other Noncurrent Assets
Assets:
Assets, fair value	49,923	78,099
Deferred Compensation Assets | Other Noncurrent Assets
Assets:
Assets, fair value	43,060	38,032
Foreign Currency Foreign Exchange Contracts | Other Current Assets
Assets:
Assets, fair value		3,142
Foreign Currency Foreign Exchange Contracts | Accrued Liabilities Other
Assets:
Assets, fair value	1,911
Deferred Compensation Liability | Other Noncurrent Liabilities
Liabilities:
Liabilities, fair value	43,060	38,032
Basis of Fair Value Measurement, Level 1
Assets:
Assets, fair value	204,112	229,780
Liabilities:
Liabilities, fair value	43,060	38,032
Basis of Fair Value Measurement, Level 1 | Money Market Mutual Funds | Other Noncurrent Assets
Assets:
Assets, fair value	111,129	113,649
Basis of Fair Value Measurement, Level 1 | Equity Securities | Other Noncurrent Assets
Assets:
Assets, fair value	49,923	78,099
Basis of Fair Value Measurement, Level 1 | Deferred Compensation Assets | Other Noncurrent Assets
Assets:
Assets, fair value	43,060	38,032
Basis of Fair Value Measurement, Level 1 | Deferred Compensation Liability | Other Noncurrent Liabilities
Liabilities:
Liabilities, fair value	43,060	38,032
Basis of Fair Value Measurement, Level 2
Assets:
Assets, fair value	2,300	5,342
Liabilities:
Liabilities, fair value	1,911
Basis of Fair Value Measurement, Level 2 | Certificates of Deposit | Other Noncurrent Assets
Assets:
Assets, fair value	2,300	2,200
Basis of Fair Value Measurement, Level 2 | Foreign Currency Foreign Exchange Contracts | Other Current Assets
Assets:
Assets, fair value		$ 3,142
Basis of Fair Value Measurement, Level 2 | Foreign Currency Foreign Exchange Contracts | Accrued Liabilities Other
Assets:
Assets, fair value	$ 1,911