Stockholders' Equity (Changes in Non-vested Stock Options) (Details) - Stock Options [Member] - $ / shares shares in Thousands	3 Months Ended	9 Months Ended
	Jun. 30, 2024	Jun. 30, 2024
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of Options, Beginning balance	926	1,393
Granted, Number of options		87
Vested, Number of options	(20)	(569)
Forfeited, Number of options	(5)	(10)
Number of Options, Ending balance	901	901
Weighted-Average Grant Date Fair Value Per Share, Beginning balance	$ 37.4	$ 33.96
Granted, Weighted-Average Grant Date Fair Value Per Share		58.34
Vested, Weighted Average Exercise Price Per Share	38.87	32.25
Forfeited, Weighted-Average Grant Date Fair Value Per Share	40.25	37.76
Weighted-Average Grant Date Fair Value Per Share, Ending balance	$ 37.35	$ 37.35