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Stockholders' Equity (Changes in Non-vested Stock Options) (Details) - Stock Options [Member] - $ / shares shares in Thousands	12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2023
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of Options, Beginning balance	898
Granted, Number of options	41
Vested, Number of options	(459)
Forfeited, Number of options	(7)
Number of Options, Ending balance	473	898
Weighted-Average Grant Date Fair Value Per Share, Beginning balance	$ 37.3
Granted, Weighted-Average Grant Date Fair Value Per Share	83.65	$ 58.34	$ 34.19
Vested, Weighted-Average Grant Date Fair Value Per Share	35.08
Forfeited, Weighted-Average Grant Date Fair Value Per Share	40.97
Weighted-Average Grant Date Fair Value Per Share, Ending balance	$ 43.40	$ 37.3

X

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