SHAREHOLDERS' EQUITY - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Sep. 30, 2024
Stockholders' Equity Note [Abstract]
Number of common shares authorized to be repurchased (in shares)	4,000,000
Shares of common stock repurchased (in shares)		1,400,000
Aggregate cost of repurchased shares		$ 51,600
Excise tax		$ 300
Dividends declared (in dollars per share)	$ 0.25
Dividends payable	$ 25,204		$ 25,024

Number of shares authorized to be purchased under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

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Aggregate dividends declared during the period for each share of common stock outstanding.

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Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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The amount of excise and sales taxes included in sales and revenues, which are then deducted as a cost of sales. Includes excise taxes, which are applied to specific types of transactions or items (such as gasoline or alcohol); and sales, use and value added taxes, which are applied to a broad class of revenue-producing transactions involving a wide range of goods and services.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Number of shares that have been repurchased during the period and are being held in treasury.

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Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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