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Share-Based Payments (Tables)
6 Months Ended
Mar. 31, 2020
Share-based Payment Arrangement [Abstract]  
Restricted Stock Activity
The transactions for restricted shares and restricted share units for the six months ended March 31, 2020 were as follows:
Shares /UnitsWeighted-
average
Grant-date
Fair Value
Non-vested at September 30, 2019615,635  $49.61  
Granted296,000  35.29  
Vested(125,190) 64.50  
Expired or forfeited(20,690) 65.01  
Non-vested at March 31, 2020765,755  $41.22