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Accelerated Share Repurchase (Details) - USD ($) $ in Thousands		1 Months Ended	12 Months Ended
	Jun. 17, 2021	Aug. 31, 2021	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2021	Jun. 30, 2021
Equity, Class of Treasury Stock [Line Items]
Payments for Repurchase of Common Stock			$ 405,526	$ 1,104,180	$ 874,179
Accelerated Share Repurchase Agreement Percentage	80.00%
Accelerated Share Repurchases Agreement Amount	$ 200,000
June17 2021 Accelerated share repurchase agreement
Equity, Class of Treasury Stock [Line Items]
Payments for Repurchase of Common Stock	$ 200,000
Stock Repurchased and Retired During Period, Shares	319,400	70,127			389,527
Stock Repurchase Program, Remaining Authorized Repurchase Amount						$ 40,000

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The cash outflow to reacquire common stock during the period.

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-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
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Number of shares that have been repurchased and retired during the period.

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