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Summary of Components of Tax (Benefit) Expense Related To Equity Plan (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Tax (benefit) expense related to:
Share-based compensation expense	$ (3,417)	$ (2,906)	$ (9,396)	$ (9,146)
Exercises of stock options and vesting of share-settled restricted stock units	813	680	1,098	790
Total tax benefit related to the Company's equity plans	$ (2,604)	$ (2,226)	$ (8,298)	$ (8,356)

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- Definition

Employee service share based compensation tax benefit related to equity plan.

+ References

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- Definition

Employee service share based compensation tax expense (benefit) from exercises.

+ References

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- Definition

Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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