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Stock-Based Compensation (Detail) - (Table 3) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Share-Based Payment Arrangement [Abstract]
Proceeds from stock options exercised	$ 337	$ 371	$ 1,086	$ 1,171
Intrinsic value of stock options exercised	$ 34	$ 15,731	$ 540	$ 16,089
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum			4.00%	3.70%
Exercisable at June 30, 2012 (in Dollars per share)	$ 35.84	$ 35.99	$ 35.84	$ 35.99
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value			$ 11,287	$ 10,974

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Amount of cash inflow from exercise of option under share-based payment arrangement.

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Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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The minimum risk-free interest rate assumption that is used in valuing an option on its own shares.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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