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Share-based Payments (Tables)
6 Months Ended
Mar. 31, 2017
Share-based Payments  
Schedule of stock option activity

 

 

2017

 

2016

 

 

 

Shares of stock
under options

 

Weighted average
exercise price

 

Shares of stock
under options

 

Weighted average
exercise price

 

 

 

(in millions)

 

 

 

(in millions)

 

 

 

Outstanding at September 30, prior year

 

0.9

 

$

30.36

 

1.3

 

$

28.26

 

Options granted

 

 

 

 

 

Options exercised

 

(0.2

)

26.42

 

(0.2

)

23.36

 

Options forfeited or expired

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Outstanding at March 31

 

0.7

 

31.11

 

1.1

 

29.44

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

 

0.7

 

$

31.11

 

1.1

 

$

29.44