Share-Based Payments (Tables)

3 Months Ended

Dec. 31, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary of Option Activity

The following table summarizes option activity during the quarter ended December 31, 2018:

	Shares		Weighted-average Exercise Price		Weighted-average Remaining Contractual Term	Aggregate Intrinsic Value
	(In thousands)				(In years)	(In thousands)
Outstanding at October 1, 2018	996		$	63.13
Granted	66		185.05
Exercised	(138	)	54.69
Outstanding at December 31, 2018	924		$	73.16	2.72	$	105,207
Exercisable at December 31, 2018	836		$	61.99	2.30	$	104,507
Vested and expected to vest at December 31, 2018	918		$	72.39	2.70	$	105,161

Summary of Restricted Stock Unit Activity

The following table summarizes restricted stock unit activity during the quarter ended December 31, 2018:

	Shares		Weighted-average Grant-date Fair Value
	(In thousands)
Outstanding at October 1, 2018	1,113		$	127.34
Granted	313		185.99
Released	(339	)	112.42
Forfeited	(4	)	149.46
Outstanding at December 31, 2018	1,083		$	148.90

Summary of Performance Share Unit Activity

The following table summarizes performance share unit activity during the quarter ended December 31, 2018:

	Shares		Weighted-average Grant-date Fair Value
	(In thousands)
Outstanding at October 1, 2018	210		$	133.76
Granted	45		185.05
Released	(105	)	123.04
Outstanding at December 31, 2018	150		$	156.83

Summary of Market Share Unit Activity

The following table summarizes market share unit activity during the quarter ended December 31, 2018:

	Shares		Weighted-average Grant-date Fair Value
	(In thousands)
Outstanding at October 1, 2018	114		$	159.34
Granted	105		169.46
Released	(119	)	143.57
Outstanding at December 31, 2018	100		$	188.63