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Equity (Tables)
12 Months Ended
Sep. 30, 2019
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Summary of the Company's RSU activity
A summary of our RSU activity for the year ended September 30, 2019, is as follows:
 SharesWeighted-Average
Grant-Date
Fair Value
Non-vested shares outstanding at September 30, 2018661,933  $57.78  
Granted382,706  66.96  
Vested(357,934) 58.70  
Forfeited(40,576) 59.57  
Non-vested shares outstanding at September 30, 2019646,129  62.60  
Summary of information pertaining to stock options vested and exercised The following table summarizes information pertaining to the stock options vested and exercised for the years presented (in thousands):
 Year ended September 30,
 201920182017
Aggregate intrinsic value of all stock options exercised$—  $—  $4,025  
Net cash proceeds from exercise of stock options—  —  924