Stockholders' Equity (Tables)

9 Months Ended

Jun. 30, 2015

Stockholders' Equity

Summary of RSU activity

	Unvested Restricted Stock Units
	Number of Shares		Weighted- Average Grant- Date Fair Value
Unvested at September 30, 2014	642,949		$	46.43
Granted	303,104		48.14
Vested	(160,499	)	45.91
Forfeited	(43,341	)	47.48
Unvested at June 30, 2015	742,213		$	47.17