Stockholders’ Equity (Tables)

3 Months Ended

Dec. 31, 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 September 30, 2017	1,045,187		45.86
Granted	326,281		61.14
Vested	(123,237)		46.54
Forfeited	(212,420)		47.93
Unvested at December 31, 2017	1,035,811	$	50.17