Share-Based Payments (Tables)

3 Months Ended

Dec. 31, 2016

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, 2016:

	Shares		Weighted-average Exercise Price		Weighted-average Remaining Contractual Term	Aggregate Intrinsic Value
	(In thousands)				(In years)	(In thousands)
Outstanding at October 1, 2016	1,521		$	52.37
Exercised	(100	)	36.52
Outstanding at December 31, 2016	1,421		$	53.49	3.64	$	93,412
Exercisable at December 31, 2016	1,131		$	48.42	3.30	$	80,056
Vested and expected to vest at December 31, 2016	1,403		$	53.22	3.62	$	92,598

Summary of Restricted Stock Unit Activity

The following table summarizes restricted stock unit activity during the quarter ended December 31, 2016:

	Shares		Weighted- average Grant-date Fair Value
	(In thousands)
Outstanding at October 1, 2016	1,211		$	76.93
Granted	401		121.25
Released	(371	)	65.16
Forfeited	(7	)	87.13
Outstanding at December 31, 2016	1,234		$	94.82

Summary of Performance Share Unit Activity

The following table summarizes performance share unit activity during the quarter ended December 31, 2016:

	Shares		Weighted- average Grant-date Fair Value
	(In thousands)
Outstanding at October 1, 2016	230		$	73.99
Granted	63		121.30
Released	(136	)	65.24
Outstanding at December 31, 2016	157		$	100.58

Summary of Market Share Unit Activity

The following table summarizes market share unit activity during the quarter ended December 31, 2016:

	Shares		Weighted- average Grant-date Fair Value
	(In thousands)
Outstanding at October 1, 2016	142		$	100.40
Granted	155		108.09
Released	(166	)	89.09
Outstanding at December 31, 2016	131		$	123.82