Stock-Based Employee Benefit Plans (Tables)

3 Months Ended

Dec. 31, 2021

Share-based Payment Arrangement [Abstract]

Summary of Option Activity

The following table summarizes option activity during the quarter ended December 31, 2021:

	Shares	Weighted-average Exercise Price		Weighted-average Remaining Contractual Term	Aggregate Intrinsic Value
	(In thousands)			(In years)	(In thousands)
Outstanding at September 30, 2021	226	$	205.90
Granted	9	407.49
Exercised	(7)	72.06
Outstanding at December 31, 2021	228	$	218.30	3.44	$	50,094
Exercisable at December 31, 2021	179	$	183.75	2.94	$	45,033
Vested or expected to vest at December 31, 2021	226	$	216.50	3.42	$	50,006

Summary of Restricted Stock Unit Activity

The following table summarizes restricted stock unit activity during the quarter ended December 31, 2021:

	Shares	Weighted-average Grant-date Fair Value
	(In thousands)
Outstanding at September 30, 2021	517	$	335.16
Granted	184	407.25
Released	(210)	268.95
Forfeited	(24)	358.29
Outstanding at December 31, 2021	467	$	392.23

Summary of Performance Share Unit Activity

The following table summarizes performance share unit activity during the quarter ended December 31, 2021:

	Shares	Weighted-average Grant-date Fair Value
	(In thousands)
Outstanding at September 30, 2021	126	$	403.61
Granted	43	407.49
Released	(64)	344.62
Outstanding at December 31, 2021	105	$	440.93

Summary of Market Share Unit Activity

The following table summarizes market share unit activity during the quarter ended December 31, 2021:

	Shares	Weighted-average Grant-date Fair Value
	(In thousands)
Outstanding at September 30, 2021	63	$	541.42
Granted	50	493.66
Released	(19)	206.71
Outstanding at December 31, 2021	94	$	584.19