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Share-based Payments (Tables)
6 Months Ended
Mar. 31, 2020
Share-based Payments  
Schedule of stock option activity

2020

2019

Shares of stock

Weighted average

Shares of stock

Weighted average

    

under options

    

exercise price

    

under options

    

exercise price

(in millions)

(in millions)

Outstanding at September 30

0.1

$

31.62

 

0.6

$

31.62

Options granted

 

 

 

 

Options exercised

 

 

 

 

Options forfeited or expired

 

 

 

(0.5)

 

31.62

Outstanding at March 31

 

0.1

 

31.62

 

0.1

 

31.62

Vested and expected to vest in the future as of March 31

0.1

$

31.62

 

0.1

$

31.62