Quarterly report pursuant to Section 13 or 15(d)

Share-Based Payments - Restricted Stock Activity (Details)

v3.19.1
Share-Based Payments - Restricted Stock Activity (Details) - Restricted Stock
6 Months Ended
Mar. 31, 2019
$ / shares
shares
Shares /Units  
Non-vested at beginning of period (in shares) | shares 554,233
Vested (in shares) | shares (174,816)
Expired or forfeited (in shares) | shares (19,507)
Non-vested at end of period (in shares) | shares 622,110
Weighted- average Grant-date Fair Value  
Non-vested weighted-average grant-date fair value, beginning of period (in dollars per share) | $ / shares $ 55.71
Granted, weighted-average grant-date fair value (in dollars per share) | $ / shares 42.21
Vested, weighted-average grant-date fair value (in dollars per share) | $ / shares 58.06
Expired or forfeited, weighted-average grant-date fair value (in dollars per share) | $ / shares 45.91
Non-vested weighted-average grant-date fair value, end of period (in dollars per share) | $ / shares $ 49.67
2017 Equity Incentive Plan  
Shares /Units  
Granted (in shares) | shares 262,200