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Stockholders' Equity (Summary of Activity for Stock Option Awards) (Details) - Stock Options [Member] shares in Thousands	12 Months Ended
	Sep. 30, 2025 $ / shares shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of options, Beginning balance | shares	3,578
Granted, Number of options | shares	41
Exercised, Number of options | shares	(1,364)
Forfeited, Number of options | shares	(6)
Number of options, Ending balance | shares	2,249
Weighted Average Exercise Price Per Share, Beginning balance | $ / shares	$ 86.03
Granted, Weighted Average Exercise Price Per Share | $ / shares	191.45
Exercised, Weighted Average Exercise Price Per Share | $ / shares	80.49
Forfeited, Weighted Average Exercise Price Per Share | $ / shares	103.52
Weighted Average Exercise Price Per Share, Ending balance | $ / shares	$ 91.25

X

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