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Stockholders’ Equity (Tables)
 6 Months Ended
Mar. 31, 2017
Stockholders’ Equity  
Summary of RSU activity

 

 

 

 

 

 

 

 

 

Unvested Restricted Stock Units

 

 

    

 

    

Weighted-Average

 

 

 

Number of Shares

 

Grant-Date Fair Value

 

Unvested at September 30, 2016

 

889,129

 

$

45.98

 

Granted

 

459,923

 

 

46.20

 

Vested

 

(151,983)

 

 

46.17

 

Forfeited

 

(73,456)

 

 

48.60

 

Unvested at March 31, 2017

 

1,123,613

 

$

45.87