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Stock-Based Compensation - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Net proceeds from issuance of common stock under incentive compensation and employee purchase plans			$ 1,434	$ 1,262
Selling, General, and Administrative Expenses [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense, approximately	$ 6,000	$ 5,400	$ 11,400	$ 10,200

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Amount of cash inflow from issuance of shares under share-based payment arrangement. Includes, but is not limited to, option exercised.

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