Stockholders' Equity (Changes in Non-vested Stock Options) (Details) - Stock Options [Member] shares in Thousands	3 Months Ended
	Dec. 31, 2022 $ / shares shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of Options, Beginning balance | shares	1,812
Granted, Number of options | shares	518
Exercised, Number of options | shares | shares	(578)
Forfeited, Number of options | shares	(1)
Number of Options, Ending balance | shares	1,751
Weighted-Average Grant Date Fair Value Per Share, Beginning balance | $ / shares	$ 30.03
Granted, Weighted-Average Grant Date Fair Value Per Share | $ / shares	33.62
Exercised, Weighted-Average Grant Date Fair Value Per Share | $ / shares	29.69
Forfeited, Weighted-Average Grant Date Fair Value Per Share | $ / shares	36.78
Weighted-Average Grant Date Fair Value Per Share, Ending balance | $ / shares	$ 30.98