Stockholders’ Equity (Tables)

12 Months Ended

Sep. 30, 2017

Stockholders’ Equity

Summary of RSU activity

The following table summarizes our RSU activity:

	Unvested Restricted Stock Units
		Weighted-Average
	Number of Shares	Grant-Date Fair Value
Unvested at October 1, 2015	759,902	$	47.24
Granted	471,627		43.72
Vested	(130,678)		46.94
Forfeited	(211,722)		44.86
Unvested at September 30, 2016	889,129		45.98
Granted	395,913		46.20
Vested	(158,243)		46.15
Forfeited	(81,612)		48.32
Unvested at September 30, 2017	1,045,187	$	45.86