Summary of Assets and Liabilities Recorded at Fair Value on Recurring Basis (Detail) - Recurring - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Assets:
Assets, fair value	$ 228,577	$ 235,122
Liabilities:
Liabilities, fair value	39,029	38,032
Money Market Mutual Funds | Other Assets
Assets:
Assets, fair value	114,892	113,649
Certificates of Deposit | Other Assets
Assets:
Assets, fair value	2,200	2,200
Equity Securities | Other Assets
Assets:
Assets, fair value	72,272	78,099
Deferred Compensation Assets | Other Assets
Assets:
Assets, fair value	39,029	38,032
Foreign Currency Foreign Exchange Contracts | Other Current Assets
Assets:
Assets, fair value	184	3,142
Deferred Compensation Liability | Other Noncurrent Liabilities
Liabilities:
Liabilities, fair value	39,029	38,032
Basis of Fair Value Measurement, Level 1
Assets:
Assets, fair value	226,193	229,780
Liabilities:
Liabilities, fair value	39,029	38,032
Basis of Fair Value Measurement, Level 1 | Money Market Mutual Funds | Other Assets
Assets:
Assets, fair value	114,892	113,649
Basis of Fair Value Measurement, Level 1 | Equity Securities | Other Assets
Assets:
Assets, fair value	72,272	78,099
Basis of Fair Value Measurement, Level 1 | Deferred Compensation Assets | Other Assets
Assets:
Assets, fair value	39,029	38,032
Basis of Fair Value Measurement, Level 1 | Deferred Compensation Liability | Other Noncurrent Liabilities
Liabilities:
Liabilities, fair value	39,029	38,032
Basis of Fair Value Measurement, Level 2
Assets:
Assets, fair value	2,384	5,342
Basis of Fair Value Measurement, Level 2 | Certificates of Deposit | Other Assets
Assets:
Assets, fair value	2,200	2,200
Basis of Fair Value Measurement, Level 2 | Foreign Currency Foreign Exchange Contracts | Other Current Assets
Assets:
Assets, fair value	$ 184	$ 3,142