Stock-Based Employee Benefit Plans (Tables)

3 Months Ended

Dec. 31, 2022

Share-Based Payment Arrangement [Abstract]

Summary of Option Activity

Summary of Restricted Stock Unit Activity

The following table summarizes restricted stock unit activity during the quarter ended December 31, 2022:

	Shares	Weighted-average Grant-date Fair Value
	(In thousands)
Outstanding at September 30, 2022	415	$	398.07
Granted	149	610.04
Released	(146)	349.76
Forfeited	(18)	420.56
Outstanding at December 31, 2022	400	$	493.36

Summary of Performance Share Unit Activity

The following table summarizes performance share unit activity during the quarter ended December 31, 2022:

	Shares	Weighted-average Grant-date Fair Value
	(In thousands)
Outstanding at September 30, 2022	144	$	432.73
Granted	30	615.45
Released	(66)	428.90
Forfeited	(10)	436.82
Outstanding at December 31, 2022	98	$	490.75

Summary of Market Share Unit Activity

The following table summarizes market share unit activity during the quarter ended December 31, 2022:

	Shares	Weighted-average Grant-date Fair Value
	(In thousands)
Outstanding at September 30, 2022	92	$	586.91
Granted	58	733.42
Released	(69)	502.41
Forfeited	(7)	642.47
Outstanding at December 31, 2022	74	$	773.82

Stock Options

The following table summarizes option activity during the quarter ended December 31, 2022:

	Shares	Weighted-average Exercise Price		Weighted-average Remaining Contractual Term	Aggregate Intrinsic Value
	(In thousands)			(In years)	(In thousands)
Outstanding at September 30, 2022	209	$	247.56
Granted	2	615.45
Exercised	(20)	102.15
Outstanding at December 31, 2022	191	$	266.44	3.35	$	63,594
Exercisable at December 31, 2022	164	$	236.68	3.00	$	59,350
Vested or expected to vest at December 31, 2022	190	$	264.95	3.33	$	63,366